ID IRF3_HUMAN Reviewed; 427 AA. AC Q14653; A8K7L2; B2RAZ3; Q5FBY1; Q5FBY2; Q5FBY4; Q7Z5G6; DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot. DT 01-NOV-1997, sequence version 1. DT 28-JUN-2023, entry version 213. DE RecName: Full=Interferon regulatory factor 3 {ECO:0000303|PubMed:9566918, ECO:0000303|PubMed:9803267}; DE Short=IRF-3 {ECO:0000303|PubMed:9566918}; GN Name=IRF3 {ECO:0000303|PubMed:9803267, ECO:0000312|HGNC:HGNC:6118}; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; OC Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). RC TISSUE=Retina; RX PubMed=8524823; DOI=10.1073/pnas.92.25.11657; RA Au W.W.-C., Moore P.P.A., Lowther W.W., Juang Y.-T., Pitha P.M.; RT "Identification of a member of the interferon regulatory factor family that RT binds to the interferon-stimulated response element and activates RT expression of interferon-induced genes."; RL Proc. Natl. Acad. Sci. U.S.A. 92:11657-11661(1995). RN [2] RP NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 2; 3 AND 5). RA Tabata Y., Sameshima E., Hayashi A., Iida K., Mitsuyama M., Kanai S., RA Furuya T., Saito T.; RT "IRF3 mRNA, nirs splice variants."; RL Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases. RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1), AND VARIANT THR-427. RC TISSUE=Spleen; RX PubMed=14702039; DOI=10.1038/ng1285; RA Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., RA Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., RA Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S., RA Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., RA Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., RA Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., RA Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., RA Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., RA Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., RA Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., RA Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., RA Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., RA Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., RA Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., RA Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., RA Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., RA Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., RA Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., RA Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., RA Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., RA Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., RA Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., RA Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., RA Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., RA Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., RA Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., RA Isogai T., Sugano S.; RT "Complete sequencing and characterization of 21,243 full-length human RT cDNAs."; RL Nat. Genet. 36:40-45(2004). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RX PubMed=15057824; DOI=10.1038/nature02399; RA Grimwood J., Gordon L.A., Olsen A.S., Terry A., Schmutz J., Lamerdin J.E., RA Hellsten U., Goodstein D., Couronne O., Tran-Gyamfi M., Aerts A., RA Altherr M., Ashworth L., Bajorek E., Black S., Branscomb E., Caenepeel S., RA Carrano A.V., Caoile C., Chan Y.M., Christensen M., Cleland C.A., RA Copeland A., Dalin E., Dehal P., Denys M., Detter J.C., Escobar J., RA Flowers D., Fotopulos D., Garcia C., Georgescu A.M., Glavina T., Gomez M., RA Gonzales E., Groza M., Hammon N., Hawkins T., Haydu L., Ho I., Huang W., RA Israni S., Jett J., Kadner K., Kimball H., Kobayashi A., Larionov V., RA Leem S.-H., Lopez F., Lou Y., Lowry S., Malfatti S., Martinez D., RA McCready P.M., Medina C., Morgan J., Nelson K., Nolan M., Ovcharenko I., RA Pitluck S., Pollard M., Popkie A.P., Predki P., Quan G., Ramirez L., RA Rash S., Retterer J., Rodriguez A., Rogers S., Salamov A., Salazar A., RA She X., Smith D., Slezak T., Solovyev V., Thayer N., Tice H., Tsai M., RA Ustaszewska A., Vo N., Wagner M., Wheeler J., Wu K., Xie G., Yang J., RA Dubchak I., Furey T.S., DeJong P., Dickson M., Gordon D., Eichler E.E., RA Pennacchio L.A., Richardson P., Stubbs L., Rokhsar D.S., Myers R.M., RA Rubin E.M., Lucas S.M.; RT "The DNA sequence and biology of human chromosome 19."; RL Nature 428:529-535(2004). RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND VARIANT THR-427. RA Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M., RA Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., RA Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., RA Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H., RA Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K., RA Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D., RA Hunkapiller M.W., Myers E.W., Venter J.C.; RL Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases. RN [6] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 4). RC TISSUE=Eye, and Kidney; RX PubMed=15489334; DOI=10.1101/gr.2596504; RG The MGC Project Team; RT "The status, quality, and expansion of the NIH full-length cDNA project: RT the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [7] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 323-413. RX PubMed=9803267; DOI=10.1046/j.1469-1809.1998.6230231.x; RA Bellingham J., Gregory-Evans K., Gregory-Evans C.Y.; RT "Mapping of human interferon regulatory factor 3 (IRF3) to chromosome RT 19q13.3-13.4 by an intragenic polymorphic marker."; RL Ann. Hum. Genet. 62:231-234(1998). RN [8] RP MUTAGENESIS OF 385-SER-SER-386 AND 396-SER--SER-405. RX PubMed=9566918; DOI=10.1128/mcb.18.5.2986; RA Lin R., Heylbroeck C., Pitha P.M., Hiscott J.; RT "Virus-dependent phosphorylation of the IRF-3 transcription factor RT regulates nuclear translocation, transactivation potential, and proteasome- RT mediated degradation."; RL Mol. Cell. Biol. 18:2986-2996(1998). RN [9] RP MUTAGENESIS OF SER-385 AND SER-386. RX PubMed=10920266; DOI=10.1093/oxfordjournals.jbchem.a022753; RA Suhara W., Yoneyama M., Iwamura T., Yoshimura S., Tamura K., Namiki H., RA Aimoto S., Fujita T.; RT "Analyses of virus-induced homomeric and heteromeric protein associations RT between IRF-3 and coactivator CBP/p300."; RL J. Biochem. 128:301-307(2000). RN [10] RP SUBCELLULAR LOCATION, AND MUTAGENESIS OF 77-LYS-ARG-78; 86-ARG-LYS-87 AND RP 139-ILE-LEU-140. RX PubMed=10805757; DOI=10.1128/mcb.20.11.4159-4168.2000; RA Kumar K.P., McBride K.M., Weaver B.K., Dingwall C., Reich N.C.; RT "Regulated nuclear-cytoplasmic localization of interferon regulatory factor RT 3, a subunit of double-stranded RNA-activated factor 1."; RL Mol. Cell. Biol. 20:4159-4168(2000). RN [11] RP PHOSPHORYLATION. RX PubMed=11035028; DOI=10.1074/jbc.m007790200; RA Servant M.J., ten Oever B., LePage C., Conti L., Gessani S., Julkunen I., RA Lin R., Hiscott J.; RT "Identification of distinct signaling pathways leading to the RT phosphorylation of interferon regulatory factor 3."; RL J. Biol. Chem. 276:355-363(2001). RN [12] RP INHIBITION OF PHOSPHORYLATION BY VACCINIA VIRUS PROTEIN E3 (MICROBIAL RP INFECTION). RX PubMed=11124948; DOI=10.1074/jbc.m008717200; RA Smith E.J., Marie I.J., Prakash A., Garcia-Sastre A., Levy D.E.; RT "IRF3 and IRF7 phosphorylation in virus-infected cells does not require RT double-stranded RNA-dependent protein kinase R or Ikappa B kinase but is RT blocked by Vaccinia virus E3L protein."; RL J. Biol. Chem. 276:8951-8957(2001). RN [13] RP INTERACTION WITH HHV-8 PROTEIN VIRF1 (MICROBIAL INFECTION). RX PubMed=11314014; DOI=10.1038/sj.onc.1204163; RA Lin R., Genin P., Mamane Y., Sgarbanti M., Battistini A., RA Harrington W.J. Jr., Barber G.N., Hiscott J.; RT "HHV-8 encoded vIRF-1 represses the interferon antiviral response by RT blocking IRF-3 recruitment of the CBP/p300 coactivators."; RL Oncogene 20:800-811(2001). RN [14] RP REVIEW. RX PubMed=11846977; DOI=10.1089/107999002753452674; RA Yoneyama M., Suhara W., Fujita T.; RT "Control of IRF-3 activation by phosphorylation."; RL J. Interferon Cytokine Res. 22:73-76(2002). RN [15] RP INTERACTION WITH TICAM1. RX PubMed=12471095; DOI=10.4049/jimmunol.169.12.6668; RA Yamamoto M., Sato S., Mori K., Hoshino K., Takeuchi O., Takeda K., RA Akira S.; RT "A novel Toll/IL-1 receptor domain-containing adapter that preferentially RT activates the IFN-beta promoter in the Toll-like receptor signaling."; RL J. Immunol. 169:6668-6672(2002). RN [16] RP INTERACTION WITH ROTAVIRUS A NSP1 (MICROBIAL INFECTION). RX PubMed=12186937; DOI=10.1128/jvi.76.18.9545-9550.2002; RA Graff J.W., Mitzel D.N., Weisend C.M., Flenniken M.L., Hardy M.E.; RT "Interferon regulatory factor 3 is a cellular partner of rotavirus NSP1."; RL J. Virol. 76:9545-9550(2002). RN [17] RP INTERACTION WITH TICAM2. RX PubMed=14517278; DOI=10.1084/jem.20031023; RA Fitzgerald K.A., Rowe D.C., Barnes B.J., Caffrey D.R., Visintin A., RA Latz E., Monks B., Pitha P.M., Golenbock D.T.; RT "LPS-TLR4 signaling to IRF-3/7 and NF-kappaB involves the toll adapters RT TRAM and TRIF."; RL J. Exp. Med. 198:1043-1055(2003). RN [18] RP ERRATUM OF PUBMED:14517278. RA Fitzgerald K.A., Rowe D.C., Barnes B.J., Caffrey D.R., Visintin A., RA Latz E., Monks B., Pitha P.M., Golenbock D.T.; RL J. Exp. Med. 198:1451-1451(2003). RN [19] RP PHOSPHORYLATION. RX PubMed=12702806; DOI=10.1126/science.1081315; RA Sharma S., tenOever B.R., Grandvaux N., Zhou G.-P., Lin R., Hiscott J.; RT "Triggering the interferon antiviral response through an IKK-related RT pathway."; RL Science 300:1148-1151(2003). RN [20] RP INTERACTION WITH TICAM1. RX PubMed=14739303; DOI=10.1074/jbc.m311629200; RA Han K.J., Su X., Xu L.-G., Bin L.H., Zhang J., Shu H.-B.; RT "Mechanisms of the TRIF-induced interferon-stimulated response element and RT NF-kappaB activation and apoptosis pathways."; RL J. Biol. Chem. 279:15652-15661(2004). RN [21] RP INTERACTION WITH IKBKE AND TBK1. RX PubMed=16281057; DOI=10.1038/sj.emboj.7600863; RA Huang J., Liu T., Xu L.-G., Chen D., Zhai Z., Shu H.-B.; RT "SIKE is an IKK epsilon/TBK1-associated suppressor of TLR3- and virus- RT triggered IRF-3 activation pathways."; RL EMBO J. 24:4018-4028(2005). RN [22] RP INTERACTION WITH MAVS. RX PubMed=16153868; DOI=10.1016/j.molcel.2005.08.014; RA Xu L.-G., Wang Y.-Y., Han K.-J., Li L.-Y., Zhai Z., Shu H.-B.; RT "VISA is an adapter protein required for virus-triggered IFN-beta RT Signaling."; RL Mol. Cell 19:727-740(2005). RN [23] RP REVIEW ON FUNCTION. RX PubMed=16846591; DOI=10.1016/j.bcp.2006.06.002; RA Solis M., Goubau D., Romieu-Mourez R., Genin P., Civas A., Hiscott J.; RT "Distinct functions of IRF-3 and IRF-7 in IFN-alpha gene regulation and RT control of anti-tumor activity in primary macrophages."; RL Biochem. Pharmacol. 72:1469-1476(2006). RN [24] RP REVIEW ON FUNCTION. RX PubMed=16979567; DOI=10.1016/j.immuni.2006.08.009; RA Honda K., Takaoka A., Taniguchi T.; RT "Type I interferon gene induction by the interferon regulatory factor RT family of transcription factors."; RL Immunity 25:349-360(2006). RN [25] RP ERRATUM OF PUBMED:16979567. RA Honda K., Takaoka A., Taniguchi T.; RL Immunity 25:849-849(2006). RN [26] RP UBIQUITINATION, AND INTERACTION WITH RBCK1. RX PubMed=18711448; DOI=10.1038/cr.2008.277; RA Zhang M., Tian Y., Wang R.P., Gao D., Zhang Y., Diao F.C., Chen D.Y., RA Zhai Z.H., Shu H.B.; RT "Negative feedback regulation of cellular antiviral signaling by RBCK1- RT mediated degradation of IRF3."; RL Cell Res. 18:1096-1104(2008). RN [27] RP INTERACTION WITH TRIM21, AND POLYUBIQUITINATION. RX PubMed=18641315; DOI=10.4049/jimmunol.181.3.1780; RA Higgs R., Ni Gabhann J., Ben Larbi N., Breen E.P., Fitzgerald K.A., RA Jefferies C.A.; RT "The E3 ubiquitin ligase Ro52 negatively regulates IFN-beta production RT post-pathogen recognition by polyubiquitin-mediated degradation of IRF3."; RL J. Immunol. 181:1780-1786(2008). RN [28] RP PHOSPHORYLATION BY IKBKE AND TBK1. RX PubMed=19153231; DOI=10.1128/jvi.01875-08; RA Prins K.C., Cardenas W.B., Basler C.F.; RT "Ebola virus protein VP35 impairs the function of interferon regulatory RT factor-activating kinases IKKepsilon and TBK-1."; RL J. Virol. 83:3069-3077(2009). RN [29] RP INTERACTION WITH RIOK3. RX PubMed=19557502; DOI=10.1007/s11010-009-0180-8; RA Shan J., Wang P., Zhou J., Wu D., Shi H., Huo K.; RT "RIOK3 interacts with caspase-10 and negatively regulates the NF-kappaB RT signaling pathway."; RL Mol. Cell. Biochem. 332:113-120(2009). RN [30] RP UBIQUITINATION. RX PubMed=21167755; DOI=10.1016/j.immuni.2010.11.027; RA Yu Y., Hayward G.S.; RT "The ubiquitin E3 ligase RAUL negatively regulates type i interferon RT through ubiquitination of the transcription factors IRF7 and IRF3."; RL Immunity 33:863-877(2010). RN [31] RP REVIEW ON FUNCTION. RX PubMed=20049431; DOI=10.1007/s00262-009-0804-6; RA Savitsky D., Tamura T., Yanai H., Taniguchi T.; RT "Regulation of immunity and oncogenesis by the IRF transcription factor RT family."; RL Cancer Immunol. Immunother. 59:489-510(2010). RN [32] RP INTERACTION WITH HSP90AA1. RX PubMed=20628368; DOI=10.1038/cr.2010.103; RA Liu X.Y., Wei B., Shi H.X., Shan Y.F., Wang C.; RT "Tom70 mediates activation of interferon regulatory factor 3 on RT mitochondria."; RL Cell Res. 20:994-1011(2010). RN [33] RP ISGYLATION AT LYS-193; LYS-360 AND LYS-366, MUTAGENESIS OF LYS-193; LYS-360 RP AND LYS-366, AND INTERACTION WITH HERC5. RX PubMed=20308324; DOI=10.1128/mcb.01466-09; RA Shi H.X., Yang K., Liu X., Liu X.Y., Wei B., Shan Y.F., Zhu L.H., Wang C.; RT "Positive regulation of interferon regulatory factor 3 activation by Herc5 RT via ISG15 modification."; RL Mol. Cell. Biol. 30:2424-2436(2010). RN [34] RP FUNCTION, SUBUNIT, INTERACTION WITH STING1, PHOSPHORYLATION AT SER-385; RP SER-386 AND SER-396, AND MUTAGENESIS OF SER-385 AND SER-386. RX PubMed=22394562; DOI=10.1126/scisignal.2002521; RA Tanaka Y., Chen Z.J.; RT "STING specifies IRF3 phosphorylation by TBK1 in the cytosolic DNA RT signaling pathway."; RL Sci. Signal. 5:RA20-RA20(2012). RN [35] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Erythroleukemia; RX PubMed=23186163; DOI=10.1021/pr300630k; RA Zhou H., Di Palma S., Preisinger C., Peng M., Polat A.N., Heck A.J., RA Mohammed S.; RT "Toward a comprehensive characterization of a human cancer cell RT phosphoproteome."; RL J. Proteome Res. 12:260-271(2013). RN [36] RP FUNCTION, AND PHOSPHORYLATION AT SER-175 (MICROBIAL INFECTION). RX PubMed=24049179; DOI=10.1128/jvi.02355-13; RA Wang S., Wang K., Lin R., Zheng C.; RT "Herpes simplex virus 1 serine/threonine kinase US3 hyperphosphorylates RT IRF3 and inhibits beta interferon production."; RL J. Virol. 87:12814-12827(2013). RN [37] RP INTERACTION WITH DDX3X AND IKBKE, AND PHOSPHORYLATION AT SER-396. RX PubMed=23478265; DOI=10.1128/mcb.01603-12; RA Gu L., Fullam A., Brennan R., Schroder M.; RT "Human DEAD box helicase 3 couples IkappaB kinase epsilon to interferon RT regulatory factor 3 activation."; RL Mol. Cell. Biol. 33:2004-2015(2013). RN [38] RP PHOSPHORYLATION AT THR-3; SER-14; THR-75; SER-97; THR-180; SER-188; RP THR-237; THR-244; THR-253; SER-398; THR-404 AND SER-427, PHOSPHORYLATION AT RP SER-386 BY TBK1, AND MUTAGENESIS OF SER-386. RX PubMed=23746807; DOI=10.1016/j.str.2013.04.025; RA Shu C., Sankaran B., Chaton C.T., Herr A.B., Mishra A., Peng J., Li P.; RT "Structural insights into the functions of TBK1 in innate antimicrobial RT immunity."; RL Structure 21:1137-1148(2013). RN [39] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Liver; RX PubMed=24275569; DOI=10.1016/j.jprot.2013.11.014; RA Bian Y., Song C., Cheng K., Dong M., Wang F., Huang J., Sun D., Wang L., RA Ye M., Zou H.; RT "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver RT phosphoproteome."; RL J. Proteomics 96:253-262(2014). RN [40] RP HOMODIMERIZATION, AND INTERACTION WITH TRIM21 AND ULK1. RX PubMed=26347139; DOI=10.1083/jcb.201503023; RA Kimura T., Jain A., Choi S.W., Mandell M.A., Schroder K., Johansen T., RA Deretic V.; RT "TRIM-mediated precision autophagy targets cytoplasmic regulators of innate RT immunity."; RL J. Cell Biol. 210:973-989(2015). RN [41] RP FUNCTION, INTERACTION WITH BCL2; BAX AND HSP90AA1, AND SUBCELLULAR RP LOCATION. RX PubMed=25609812; DOI=10.1128/jvi.02959-14; RA Wei B., Cui Y., Huang Y., Liu H., Li L., Li M., Ruan K.C., Zhou Q., RA Wang C.; RT "Tom70 mediates Sendai virus-induced apoptosis on mitochondria."; RL J. Virol. 89:3804-3818(2015). RN [42] RP INTERACTION WITH DDX3X AND TRAF3. RX PubMed=27980081; DOI=10.1042/bcj20160956; RA Gu L., Fullam A., McCormack N., Hoehn Y., Schroeder M.; RT "DDX3 directly regulates TRAF3 ubiquitination and acts as a scaffold to co- RT ordinate assembly of signalling complexes downstream from MAVS."; RL Biochem. J. 474:571-587(2017). RN [43] RP INTERACTION WITH STING1 AND ZDHHC11, AND REGION. RX PubMed=28331227; DOI=10.1038/leu.2017.94; RA Dzikiewicz-Krawczyk A., Kok K., Slezak-Prochazka I., Robertus J.L., RA Bruining J., Tayari M.M., Rutgers B., de Jong D., Koerts J., Seitz A., RA Li J., Tillema B., Guikema J.E., Nolte I.M., Diepstra A., Visser L., RA Kluiver J., van den Berg A.; RT "ZDHHC11 and ZDHHC11B are critical novel components of the oncogenic MYC- RT miR-150-MYB network in Burkitt lymphoma."; RL Leukemia 31:1470-1473(2017). RN [44] RP FUNCTION, INDUCTION BY DSRNA, AND INTERACTION WITH IRF3. RX PubMed=29802199; DOI=10.1074/jbc.ra117.001491; RA Ambrose R.L., Liu Y.C., Adams T.E., Bean A.G.D., Stewart C.R.; RT "C6orf106 is a novel inhibitor of the interferon-regulatory factor 3- RT dependent innate antiviral response."; RL J. Biol. Chem. 293:10561-10573(2018). RN [45] RP INTERACTION WITH SENECA VALLEY VIRUS PROTEASE 3C (MICROBIAL INFECTION). RX PubMed=29427864; DOI=10.1016/j.virol.2018.01.028; RA Xue Q., Liu H., Zhu Z., Yang F., Ma L., Cai X., Xue Q., Zheng H.; RT "Seneca Valley Virus 3Cpro abrogates the IRF3- and IRF7-mediated innate RT immune response by degrading IRF3 and IRF7."; RL Virology 518:1-7(2018). RN [46] RP INVOLVEMENT IN IIAE7, VARIANT IIAE7 GLN-285, AND CHARACTERIZATION OF RP VARIANT IIAE7 GLN-285. RX PubMed=26216125; DOI=10.1084/jem.20142274; RA Andersen L.L., Moerk N., Reinert L.S., Kofod-Olsen E., Narita R., RA Joergensen S.E., Skipper K.A., Hoening K., Gad H.H., Oestergaard L., RA Oerntoft T.F., Hornung V., Paludan S.R., Mikkelsen J.G., Fujita T., RA Christiansen M., Hartmann R., Mogensen T.H.; RT "Functional IRF3 deficiency in a patient with herpes simplex RT encephalitis."; RL J. Exp. Med. 212:1371-1379(2015). RN [47] RP FUNCTION, ACTIVITY REGULATION, INTERACTION WITH STING1; MAVS AND TICAM1, RP PHOSPHORYLATION AT SER-385; SER-386 AND SER-396, AND MUTAGENESIS OF SER-385 RP AND SER-386. RX PubMed=25636800; DOI=10.1126/science.aaa2630; RA Liu S., Cai X., Wu J., Cong Q., Chen X., Li T., Du F., Ren J., Wu Y.T., RA Grishin N.V., Chen Z.J.; RT "Phosphorylation of innate immune adaptor proteins MAVS, STING, and TRIF RT induces IRF3 activation."; RL Science 347:AAA2630-AAA2630(2015). RN [48] RP FUNCTION, SUBCELLULAR LOCATION, AND INTERACTION WITH LYAR. RX PubMed=31413131; DOI=10.1128/jvi.00769-19; RA Yang C., Liu X., Cheng T., Xiao R., Gao Q., Ming F., Jin M., Chen H., RA Zhou H.; RT "LYAR suppresses interferon-beta induction by targeting phosphorylated RT IRF3."; RL J. Virol. 0:0-0(2019). RN [49] RP INTERACTION WITH HERPES SIMPLEX VIRUS 2 (HHV-2) PROTEIN ICP27 (MICROBIAL RP INFECTION). RX PubMed=30863402; DOI=10.3389/fimmu.2019.00290; RA Guan X., Zhang M., Fu M., Luo S., Hu Q.; RT "Herpes Simplex Virus Type 2 Immediate Early Protein ICP27 Inhibits IFN- RT beta Production in Mucosal Epithelial Cells by Antagonizing IRF3 RT Activation."; RL Front. Immunol. 10:290-290(2019). RN [50] RP INTERACTION WITH HUMAN CYTOMEGALOVIRUS PROTEIN UL44 (MICROBIAL INFECTION). RX PubMed=30867312; DOI=10.1128/jvi.00181-19; RA Fu Y.Z., Su S., Zou H.M., Guo Y., Wang S.Y., Li S., Luo M.H., Wang Y.Y.; RT "Human Cytomegalovirus DNA Polymerase Subunit UL44 Antagonizes Antiviral RT Immune Responses by Suppressing IRF3- and NF-kappaB-Mediated RT Transcription."; RL J. Virol. 93:0-0(2019). RN [51] RP PROTEOLYTIC CLEAVAGE, AND MUTAGENESIS OF ASP-116 AND 121-ASP--ASP-125. RX PubMed=30878284; DOI=10.1016/j.molcel.2019.02.013; RA Ning X., Wang Y., Jing M., Sha M., Lv M., Gao P., Zhang R., Huang X., RA Feng J.M., Jiang Z.; RT "Apoptotic caspases suppress type i interferon production via the cleavage RT of cGAS, MAVS, and IRF3."; RL Mol. Cell 74:19-31(2019). RN [52] RP FUNCTION, INTERACTION WITH DDX56, AND SUBCELLULAR LOCATION. RX PubMed=31340999; DOI=10.1242/jcs.230409; RA Li D., Fu S., Wu Z., Yang W., Ru Y., Shu H., Liu X., Zheng H.; RT "DDX56 inhibits type I interferon by disrupting assembly of IRF3-IPO5 to RT inhibit IRF3 nucleus import."; RL J. Cell Sci. 133:0-0(2019). RN [53] RP ISGYLATION (MICROBIAL INFECTION). RX PubMed=32726803; DOI=10.1038/s41586-020-2601-5; RA Shin D., Mukherjee R., Grewe D., Bojkova D., Baek K., Bhattacharya A., RA Schulz L., Widera M., Mehdipour A.R., Tascher G., Geurink P.P., Wilhelm A., RA van der Heden van Noort G.J., Ovaa H., Mueller S., Knobeloch K.P., RA Rajalingam K., Schulman B.A., Cinatl J., Hummer G., Ciesek S., Dikic I.; RT "Papain-like protease regulates SARS-CoV-2 viral spread and innate RT immunity."; RL Nature 587:657-662(2020). RN [54] RP FUNCTION, AND ACTIVITY REGULATION (MICROBIAL INFECTION). RX PubMed=33440148; DOI=10.1016/j.celrep.2020.108628; RA Yin X., Riva L., Pu Y., Martin-Sancho L., Kanamune J., Yamamoto Y., RA Sakai K., Gotoh S., Miorin L., De Jesus P.D., Yang C.C., Herbert K.M., RA Yoh S., Hultquist J.F., Garcia-Sastre A., Chanda S.K.; RT "MDA5 Governs the Innate Immune Response to SARS-CoV-2 in Lung Epithelial RT Cells."; RL Cell Rep. 34:108628-108628(2021). RN [55] RP INTERACTION WITH NBR1. RX PubMed=35914352; DOI=10.1016/j.bbrc.2022.07.043; RA Cai Y., Zhu Y., Zheng J., Zhang Y., Chen W.; RT "NBR1 mediates autophagic degradation of IRF3 to negatively regulate type I RT interferon production."; RL Biochem. Biophys. Res. Commun. 623:140-147(2022). RN [56] RP INTERACTION WITH MERS-COV PROTEIN N (MICROBIAL INFECTION), AND SUBCELLULAR RP LOCATION. RX PubMed=35922005; DOI=10.1038/s41586-022-05148-4; RA Chu H., Hou Y., Yang D., Wen L., Shuai H., Yoon C., Shi J., Chai Y., RA Yuen T.T., Hu B., Li C., Zhao X., Wang Y., Huang X., Lee K.S., Luo C., RA Cai J.P., Poon V.K., Chan C.C., Zhang A.J., Yuan S., Sit K.Y., Foo D.C., RA Au W.K., Wong K.K., Zhou J., Kok K.H., Jin D.Y., Chan J.F., Yuen K.Y.; RT "Coronaviruses exploit a host cysteine-aspartic protease for replication."; RL Nature 0:0-0(2022). RN [57] RP X-RAY CRYSTALLOGRAPHY (2.3 ANGSTROMS) OF 175-427, AND DISULFIDE BOND. RX PubMed=14555995; DOI=10.1038/nsb1001; RA Takahasi K., Suzuki N.N., Horiuchi M., Mori M., Suhara W., Okabe Y., RA Fukuhara Y., Terasawa H., Akira S., Fujita T., Inagaki F.; RT "X-ray crystal structure of IRF-3 and its functional implications."; RL Nat. Struct. Biol. 10:922-927(2003). RN [58] RP X-RAY CRYSTALLOGRAPHY (2.1 ANGSTROMS) OF 173-427, AND DISULFIDE BOND. RX PubMed=14555996; DOI=10.1038/nsb1002; RA Qin B.Y., Liu C., Lam S.S., Srinath H., Delston R., Correia J.J., RA Derynck R., Lin K.; RT "Crystal structure of IRF-3 reveals mechanism of autoinhibition and virus- RT induced phosphoactivation."; RL Nat. Struct. Biol. 10:913-921(2003). RN [59] RP X-RAY CRYSTALLOGRAPHY (3.0 ANGSTROMS) OF 1-112. RX PubMed=15510218; DOI=10.1038/sj.emboj.7600453; RA Panne D., Maniatis T., Harrison S.C.; RT "Crystal structure of ATF-2/c-Jun and IRF-3 bound to the interferon-beta RT enhancer."; RL EMBO J. 23:4384-4393(2004). RN [60] RP X-RAY CRYSTALLOGRAPHY (2.4 ANGSTROMS) OF 173-394, FUNCTION, AND INTERACTION RP WITH CREBBP. RX PubMed=16154084; DOI=10.1016/j.str.2005.06.011; RA Qin B.Y., Liu C., Srinath H., Lam S.S., Correia J.J., Derynck R., Lin K.; RT "Crystal structure of IRF-3 in complex with CBP."; RL Structure 13:1269-1277(2005). RN [61] {ECO:0007744|PDB:5JEJ, ECO:0007744|PDB:5JEK, ECO:0007744|PDB:5JEL, ECO:0007744|PDB:5JEM, ECO:0007744|PDB:5JEO, ECO:0007744|PDB:5JER} RP X-RAY CRYSTALLOGRAPHY (1.60 ANGSTROMS) OF 189-427 IN COMPLEX WITH CREBBP; RP MAVS; STING1 OR TICAM1, X-RAY CRYSTALLOGRAPHY (2.91 ANGSTROMS) OF 189-427 RP IN COMPLEX WITH ROTAVIRUS A NSP1 (MICROBIAL INFECTION), FUNCTION, ACTIVITY RP REGULATION, INTERACTION WITH CREBBP; MAVS; STING1 AND TICAM1, INTERACTION RP WITH ROTAVIRUS A NSP1 (MICROBIAL INFECTION), PHOSPHORYLATION AT SER-386 AND RP SER-396, AND MUTAGENESIS OF ARG-285; HIS-288; HIS-290; LYS-313; SER-386 AND RP SER-396. RX PubMed=27302953; DOI=10.1073/pnas.1603269113; RA Zhao B., Shu C., Gao X., Sankaran B., Du F., Shelton C.L., Herr A.B., RA Ji J.Y., Li P.; RT "Structural basis for concerted recruitment and activation of IRF-3 by RT innate immune adaptor proteins."; RL Proc. Natl. Acad. Sci. U.S.A. 113:E3403-E3412(2016). RN [62] RP VARIANTS GLU-49 DEL; 145-GLY--GLU-200 DEL; LYS-146; GLN-227; GLN-285 AND RP VAL-401, CHARACTERIZATION OF VARIANTS GLU-49 DEL; 145-GLY--GLU-200 DEL; RP LYS-146; GLN-227; GLN-285 AND VAL-401, AND FUNCTION. RX PubMed=32972995; DOI=10.1126/science.abd4570; RG COVID-STORM Clinicians; RG COVID Clinicians; RG Imagine COVID Group; RG French COVID Cohort Study Group; RG CoV-Contact Cohort; RG Amsterdam UMC Covid-19 Biobank; RG COVID Human Genetic Effort; RG NIAID-USUHS/TAGC COVID Immunity Group; RA Zhang Q., Bastard P., Liu Z., Le Pen J., Moncada-Velez M., Chen J., RA Ogishi M., Sabli I.K.D., Hodeib S., Korol C., Rosain J., Bilguvar K., RA Ye J., Bolze A., Bigio B., Yang R., Arias A.A., Zhou Q., Zhang Y., RA Onodi F., Korniotis S., Karpf L., Philippot Q., Chbihi M., Bonnet-Madin L., RA Dorgham K., Smith N., Schneider W.M., Razooky B.S., Hoffmann H.H., RA Michailidis E., Moens L., Han J.E., Lorenzo L., Bizien L., Meade P., RA Neehus A.L., Ugurbil A.C., Corneau A., Kerner G., Zhang P., Rapaport F., RA Seeleuthner Y., Manry J., Masson C., Schmitt Y., Schlueter A., Le Voyer T., RA Khan T., Li J., Fellay J., Roussel L., Shahrooei M., Alosaimi M.F., RA Mansouri D., Al-Saud H., Al-Mulla F., Almourfi F., Al-Muhsen S.Z., RA Alsohime F., Al Turki S., Hasanato R., van de Beek D., Biondi A., RA Bettini L.R., D'Angio' M., Bonfanti P., Imberti L., Sottini A., Paghera S., RA Quiros-Roldan E., Rossi C., Oler A.J., Tompkins M.F., Alba C., RA Vandernoot I., Goffard J.C., Smits G., Migeotte I., Haerynck F., RA Soler-Palacin P., Martin-Nalda A., Colobran R., Morange P.E., Keles S., RA Coelkesen F., Ozcelik T., Yasar K.K., Senoglu S., Karabela S.N., RA Rodriguez-Gallego C., Novelli G., Hraiech S., Tandjaoui-Lambiotte Y., RA Duval X., Laouenan C., Snow A.L., Dalgard C.L., Milner J.D., Vinh D.C., RA Mogensen T.H., Marr N., Spaan A.N., Boisson B., Boisson-Dupuis S., RA Bustamante J., Puel A., Ciancanelli M.J., Meyts I., Maniatis T., RA Soumelis V., Amara A., Nussenzweig M., Garcia-Sastre A., Krammer F., RA Pujol A., Duffy D., Lifton R.P., Zhang S.Y., Gorochov G., Beziat V., RA Jouanguy E., Sancho-Shimizu V., Rice C.M., Abel L., Notarangelo L.D., RA Cobat A., Su H.C., Casanova J.L.; RT "Inborn errors of type I IFN immunity in patients with life-threatening RT COVID-19."; RL Science 370:0-0(2020). CC -!- FUNCTION: Key transcriptional regulator of type I interferon (IFN)- CC dependent immune responses which plays a critical role in the innate CC immune response against DNA and RNA viruses (PubMed:22394562, CC PubMed:25636800, PubMed:27302953, PubMed:24049179, PubMed:31340999). CC Regulates the transcription of type I IFN genes (IFN-alpha and IFN- CC beta) and IFN-stimulated genes (ISG) by binding to an interferon- CC stimulated response element (ISRE) in their promoters (PubMed:11846977, CC PubMed:16846591, PubMed:16979567, PubMed:20049431, PubMed:32972995). CC Acts as a more potent activator of the IFN-beta (IFNB) gene than the CC IFN-alpha (IFNA) gene and plays a critical role in both the early and CC late phases of the IFNA/B gene induction (PubMed:16846591, CC PubMed:16979567, PubMed:20049431). Found in an inactive form in the CC cytoplasm of uninfected cells and following viral infection, double- CC stranded RNA (dsRNA), or toll-like receptor (TLR) signaling, is CC phosphorylated by IKBKE and TBK1 kinases (PubMed:22394562, CC PubMed:25636800, PubMed:27302953). This induces a conformational CC change, leading to its dimerization and nuclear localization and CC association with CREB binding protein (CREBBP) to form dsRNA-activated CC factor 1 (DRAF1), a complex which activates the transcription of the CC type I IFN and ISG genes (PubMed:16154084, PubMed:27302953, CC PubMed:33440148). Can activate distinct gene expression programs in CC macrophages and can induce significant apoptosis in primary macrophages CC (PubMed:16846591). In response to Sendai virus infection, is recruited CC by TOMM70:HSP90AA1 to mitochondrion and forms an apoptosis complex CC TOMM70:HSP90AA1:IRF3:BAX inducing apoptosis (PubMed:25609812). Key CC transcription factor regulating the IFN response during SARS-CoV-2 CC infection (PubMed:33440148). {ECO:0000269|PubMed:16154084, CC ECO:0000269|PubMed:22394562, ECO:0000269|PubMed:24049179, CC ECO:0000269|PubMed:25609812, ECO:0000269|PubMed:25636800, CC ECO:0000269|PubMed:27302953, ECO:0000269|PubMed:31340999, CC ECO:0000269|PubMed:31413131, ECO:0000269|PubMed:32972995, CC ECO:0000269|PubMed:33440148, ECO:0000303|PubMed:11846977, CC ECO:0000303|PubMed:16846591, ECO:0000303|PubMed:16979567, CC ECO:0000303|PubMed:20049431}. CC -!- ACTIVITY REGULATION: In the absence of viral infection, maintained as a CC monomer in an autoinhibited state (PubMed:16846591, PubMed:16979567, CC PubMed:20049431). Phosphorylation by TBK1 and IKBKE disrupts this CC autoinhibition leading to the liberation of the DNA-binding and CC dimerization activities and its nuclear localization where it can CC activate type I IFN and ISG genes (PubMed:25636800). Phosphorylation CC and activation follow the following steps: innate adapter protein MAVS, CC STING1 or TICAM1 are first activated by viral RNA, cytosolic DNA and CC bacterial lipopolysaccharide (LPS), respectively, leading to activation CC of the kinases TBK1 and IKBKE (PubMed:25636800). These kinases then CC phosphorylate the adapter proteins on their pLxIS motif, leading to CC recruitment of IRF3, thereby licensing IRF3 for phosphorylation by TBK1 CC (PubMed:25636800). Phosphorylated IRF3 dissociates from the adapter CC proteins, dimerizes, and then enters the nucleus to induce IFNs CC (PubMed:25636800, PubMed:27302953). {ECO:0000269|PubMed:25636800, CC ECO:0000269|PubMed:27302953, ECO:0000269|PubMed:33440148, CC ECO:0000303|PubMed:16846591, ECO:0000303|PubMed:16979567, CC ECO:0000303|PubMed:20049431}. CC -!- ACTIVITY REGULATION: (Microbial infection) Activated upon coronavirus CC SARS-CoV-2 infection. {ECO:0000269|PubMed:33440148}. CC -!- SUBUNIT: Monomer (PubMed:16846591, PubMed:16979567, PubMed:20049431). CC Homodimer; phosphorylation-induced (PubMed:22394562, PubMed:25636800, CC PubMed:26347139). Interacts (when phosphorylated) with CREBBP CC (PubMed:16154084, PubMed:27302953). Interacts with MAVS (via CC phosphorylated pLxIS motif) (PubMed:16153868, PubMed:25636800, CC PubMed:27302953). Interacts with TICAM1 (via phosphorylated pLxIS CC motif) (PubMed:12471095, PubMed:14739303, PubMed:25636800, CC PubMed:27302953). Interacts with STING1 (via phosphorylated pLxIS CC motif) (PubMed:22394562, PubMed:28331227, PubMed:25636800, CC PubMed:27302953). Interacts with IKBKE and TBK1 (PubMed:16281057, CC PubMed:23478265, PubMed:25636800). Interacts with TICAM2 CC (PubMed:14517278). Interacts with RBCK1 (PubMed:18711448). Interacts CC with HERC5 (PubMed:20308324). Interacts with DDX3X (phosphorylated at CC 'Ser-102'); the interaction allows the phosphorylation and activation CC of IRF3 by IKBKE (PubMed:23478265, PubMed:27980081). Interacts with CC TRIM21 and ULK1, in the presence of TRIM21; this interaction leads to CC IRF3 degradation by autophagy (PubMed:18641315, PubMed:26347139). CC Interacts with RIOK3; RIOK3 probably mediates the interaction of TBK1 CC with IRF3 (PubMed:19557502). Interacts with ILRUN; the interaction CC inhibits IRF3 binding to its DNA consensus sequence (PubMed:29802199). CC Interacts with LYAR; this interaction impairs IRF3 DNA-binding activity CC (PubMed:31413131). Interacts with TRAF3 (PubMed:27980081). Interacts CC with ZDHHC11; ZDHHC11 recruits IRF3 to STING1 upon DNA virus infection CC and thereby promotes IRF3 activation (PubMed:28331227). Interacts with CC HSP90AA1; the interaction mediates IRF3 association with TOMM70 CC (PubMed:20628368, PubMed:25609812). Interacts with BCL2; the CC interaction decreases upon Sendai virus infection (PubMed:25609812). CC Interacts with BAX; the interaction is direct, increases upon Sendai CC virus infection and mediates the formation of the apoptosis complex CC TOMM70:HSP90AA1:IRF3:BAX (PubMed:25609812). Interacts with DDX56 CC (PubMed:31340999). Interacts with NBR1 (PubMed:35914352). CC {ECO:0000269|PubMed:12471095, ECO:0000269|PubMed:14517278, CC ECO:0000269|PubMed:14739303, ECO:0000269|PubMed:16153868, CC ECO:0000269|PubMed:16154084, ECO:0000269|PubMed:16281057, CC ECO:0000269|PubMed:18641315, ECO:0000269|PubMed:18711448, CC ECO:0000269|PubMed:19557502, ECO:0000269|PubMed:20308324, CC ECO:0000269|PubMed:20628368, ECO:0000269|PubMed:22394562, CC ECO:0000269|PubMed:23478265, ECO:0000269|PubMed:25609812, CC ECO:0000269|PubMed:25636800, ECO:0000269|PubMed:26347139, CC ECO:0000269|PubMed:27302953, ECO:0000269|PubMed:27980081, CC ECO:0000269|PubMed:28331227, ECO:0000269|PubMed:29802199, CC ECO:0000269|PubMed:31340999, ECO:0000269|PubMed:31413131, CC ECO:0000269|PubMed:35914352, ECO:0000303|PubMed:16846591, CC ECO:0000303|PubMed:16979567, ECO:0000303|PubMed:20049431}. CC -!- SUBUNIT: (Microbial infection) Interacts with rotavirus A NSP1 (via CC pLxIS motif); this interaction leads to the proteasome-dependent CC degradation of IRF3. {ECO:0000269|PubMed:12186937, CC ECO:0000269|PubMed:27302953}. CC -!- SUBUNIT: (Microbial infection) Interacts with herpes virus 8/HHV-8 CC protein VIRF1 (PubMed:11314014). {ECO:0000269|PubMed:11314014}. CC -!- SUBUNIT: (Microbial infection) Interacts with Seneca Valley virus CC protease 3C; this interaction is involved in the suppression of IRF3 CC expression and phosphorylation by the virus. CC {ECO:0000269|PubMed:29427864}. CC -!- SUBUNIT: (Microbial infection) Interacts with herpes virus 2/HHV-2 CC protein ICP27; this interaction inhibits IRF3 phosphorylation and CC nuclear translocation. {ECO:0000269|PubMed:30863402}. CC -!- SUBUNIT: (Microbial infection) Interacts with human cytomegalovirus CC protein UL44; this interaction prevents IRF3 binding to its promoters. CC {ECO:0000269|PubMed:30867312}. CC -!- SUBUNIT: (Microbial infection) Interacts with the two fragments of CC MERS-COV protein N produced by CASP6 through proteolytic cleavage; both CC interactions inhibit IRF3 nuclear translocation after activation and CC IFN signaling. {ECO:0000269|PubMed:35922005}. CC -!- INTERACTION: CC Q14653; Q92793: CREBBP; NbExp=12; IntAct=EBI-2650369, EBI-81215; CC Q14653; Q9Y3R0: GRIP1; NbExp=2; IntAct=EBI-2650369, EBI-5349621; CC Q14653; Q14164: IKBKE; NbExp=2; IntAct=EBI-2650369, EBI-307369; CC Q14653; P10914: IRF1; NbExp=5; IntAct=EBI-2650369, EBI-1055781; CC Q14653; Q14653: IRF3; NbExp=18; IntAct=EBI-2650369, EBI-2650369; CC Q14653; P05161: ISG15; NbExp=2; IntAct=EBI-2650369, EBI-746466; CC Q14653; P52292: KPNA2; NbExp=2; IntAct=EBI-2650369, EBI-349938; CC Q14653; O60684: KPNA6; NbExp=3; IntAct=EBI-2650369, EBI-359923; CC Q14653; Q9Y5Q3: MAFB; NbExp=4; IntAct=EBI-2650369, EBI-3649340; CC Q14653; P67775: PPP2CA; NbExp=4; IntAct=EBI-2650369, EBI-712311; CC Q14653; P06400: RB1; NbExp=2; IntAct=EBI-2650369, EBI-491274; CC Q14653; P28749: RBL1; NbExp=2; IntAct=EBI-2650369, EBI-971402; CC Q14653; O14730: RIOK3; NbExp=6; IntAct=EBI-2650369, EBI-1047061; CC Q14653; O43765: SGTA; NbExp=3; IntAct=EBI-2650369, EBI-347996; CC Q14653; Q9UHD2: TBK1; NbExp=10; IntAct=EBI-2650369, EBI-356402; CC Q14653; PRO_0000037311 [P0C6X7]: rep; Xeno; NbExp=5; IntAct=EBI-2650369, EBI-25474079; CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000269|PubMed:10805757, CC ECO:0000269|PubMed:25609812, ECO:0000269|PubMed:31340999, CC ECO:0000269|PubMed:31413131, ECO:0000269|PubMed:35922005, CC ECO:0000305|PubMed:25636800}. Nucleus {ECO:0000269|PubMed:10805757, CC ECO:0000269|PubMed:31340999, ECO:0000269|PubMed:31413131, CC ECO:0000269|PubMed:35922005, ECO:0000305|PubMed:25636800}. CC Mitochondrion {ECO:0000269|PubMed:25609812}. Note=Shuttles between CC cytoplasmic and nuclear compartments, with export being the prevailing CC effect (PubMed:10805757, PubMed:35922005). When activated, IRF3 CC interaction with CREBBP prevents its export to the cytoplasm CC (PubMed:10805757). Recruited to mitochondria via TOMM70:HSP90AA1 upon CC Sendai virus infection (PubMed:25609812). {ECO:0000269|PubMed:10805757, CC ECO:0000269|PubMed:25609812, ECO:0000269|PubMed:35922005}. CC -!- ALTERNATIVE PRODUCTS: CC Event=Alternative splicing; Named isoforms=5; CC Name=1; CC IsoId=Q14653-1; Sequence=Displayed; CC Name=2; CC IsoId=Q14653-2; Sequence=VSP_043319; CC Name=3; CC IsoId=Q14653-3; Sequence=VSP_046911, VSP_043319; CC Name=4; CC IsoId=Q14653-4; Sequence=VSP_046912; CC Name=5; CC IsoId=Q14653-5; Sequence=VSP_047690, VSP_047691; CC -!- TISSUE SPECIFICITY: Expressed constitutively in a variety of tissues. CC -!- PTM: Constitutively phosphorylated on many Ser/Thr residues CC (PubMed:22394562, PubMed:23478265, PubMed:23746807). Activated CC following phosphorylation by TBK1 and IKBKE (PubMed:23478265, CC PubMed:23746807, PubMed:25636800). Innate adapter protein MAVS, STING1 CC or TICAM1 are first activated by viral RNA, cytosolic DNA, and CC bacterial lipopolysaccharide (LPS), respectively, leading to activation CC of the kinases TBK1 and IKBKE (PubMed:25636800). These kinases then CC phosphorylate the adapter proteins on the pLxIS motif, leading to CC recruitment of IRF3, thereby licensing IRF3 for phosphorylation by TBK1 CC (PubMed:25636800). Phosphorylated IRF3 dissociates from the adapter CC proteins, dimerizes, and then enters the nucleus to induce IFNs CC (PubMed:25636800). {ECO:0000269|PubMed:22394562, CC ECO:0000269|PubMed:23478265, ECO:0000269|PubMed:23746807, CC ECO:0000269|PubMed:25636800}. CC -!- PTM: Ubiquitinated; ubiquitination involves RBCK1 leading to CC proteasomal degradation (PubMed:18711448). Polyubiquitinated; CC ubiquitination involves TRIM21 leading to proteasomal degradation CC (PubMed:18641315). Ubiquitinated by UBE3C, leading to its degradation CC (PubMed:21167755). {ECO:0000269|PubMed:18641315, CC ECO:0000269|PubMed:18711448, ECO:0000269|PubMed:21167755}. CC -!- PTM: ISGylated by HERC5 resulting in sustained IRF3 activation and in CC the inhibition of IRF3 ubiquitination by disrupting PIN1 binding. The CC phosphorylation state of IRF3 does not alter ISGylation. CC {ECO:0000269|PubMed:18641315, ECO:0000269|PubMed:18711448, CC ECO:0000269|PubMed:20308324}. CC -!- PTM: Proteolytically cleaved by apoptotic caspases during apoptosis, CC leading to its inactivation (PubMed:30878284). Cleavage by CASP3 during CC virus-induced apoptosis inactivates it, preventing cytokine CC overproduction (PubMed:30878284). {ECO:0000269|PubMed:30878284}. CC -!- PTM: (Microbial infection) ISGylated. ISGylation is cleaved and removed CC by SARS-COV-2 nsp3 which attenuates type I interferon responses. CC {ECO:0000269|PubMed:32726803}. CC -!- PTM: (Microbial infection) Phosphorylation and subsequent activation of CC IRF3 is inhibited by vaccinia virus protein E3. CC {ECO:0000269|PubMed:11124948}. CC -!- PTM: (Microbial infection) Phosphorylated by herpes simplex virus CC 1/HHV-1 US3 at Ser-175 to prevent IRF3 activation. CC {ECO:0000269|PubMed:24049179}. CC -!- DISEASE: Encephalopathy, acute, infection-induced, 7, herpes-specific CC (IIAE7) [MIM:616532]: A rare complication of human herpesvirus 1 (HHV- CC 1) infection, occurring in only a small minority of HHV-1 infected CC individuals. It is characterized by hemorrhagic necrosis of parts of CC the temporal and frontal lobes. Onset is over several days and involves CC fever, headache, seizures, stupor, and often coma, frequently with a CC fatal outcome. {ECO:0000269|PubMed:26216125}. Note=Disease CC susceptibility is associated with variants affecting the gene CC represented in this entry. CC -!- SIMILARITY: Belongs to the IRF family. {ECO:0000255|PROSITE- CC ProRule:PRU00840}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; Z56281; CAA91227.1; -; mRNA. DR EMBL; AB102884; BAD89413.1; -; mRNA. DR EMBL; AB102886; BAD89415.1; -; mRNA. DR EMBL; AB102887; BAD89416.1; -; mRNA. DR EMBL; AK292027; BAF84716.1; -; mRNA. DR EMBL; AK314421; BAG37040.1; -; mRNA. DR EMBL; AC011495; -; NOT_ANNOTATED_CDS; Genomic_DNA. DR EMBL; CH471177; EAW52510.1; -; Genomic_DNA. DR EMBL; BC000660; AAH00660.1; -; mRNA. DR EMBL; BC071721; AAH71721.1; -; mRNA. DR EMBL; U86636; AAC68818.1; -; Genomic_DNA. DR CCDS; CCDS12775.1; -. [Q14653-1] DR CCDS; CCDS56099.1; -. [Q14653-2] DR CCDS; CCDS59407.1; -. [Q14653-3] DR CCDS; CCDS59409.1; -. [Q14653-4] DR RefSeq; NP_001184051.1; NM_001197122.1. [Q14653-4] DR RefSeq; NP_001184052.1; NM_001197123.1. DR RefSeq; NP_001184053.1; NM_001197124.1. [Q14653-2] DR RefSeq; NP_001184054.1; NM_001197125.1. DR RefSeq; NP_001184055.1; NM_001197126.1. DR RefSeq; NP_001184056.1; NM_001197127.1. [Q14653-3] DR RefSeq; NP_001184057.1; NM_001197128.1. [Q14653-3] DR RefSeq; NP_001562.1; NM_001571.5. [Q14653-1] DR RefSeq; XP_006723260.1; XM_006723197.1. [Q14653-4] DR RefSeq; XP_006723261.1; XM_006723198.1. [Q14653-4] DR RefSeq; XP_016882255.1; XM_017026766.1. [Q14653-1] DR RefSeq; XP_016882256.1; XM_017026767.1. [Q14653-1] DR PDB; 1J2F; X-ray; 2.30 A; A/B=175-427. DR PDB; 1QWT; X-ray; 2.10 A; A/B=173-427. DR PDB; 1T2K; X-ray; 3.00 A; A/B=1-112. DR PDB; 1ZOQ; X-ray; 2.37 A; A/B=196-386. DR PDB; 2O61; X-ray; 2.80 A; A=9-111. DR PDB; 2O6G; X-ray; 3.10 A; E/F/G/H=1-123. DR PDB; 2PI0; X-ray; 2.31 A; A/B/C/D=1-113. DR PDB; 3A77; X-ray; 1.80 A; A/B/C/D=189-427. DR PDB; 3QU6; X-ray; 2.30 A; A/B/C=1-113. DR PDB; 5JEJ; X-ray; 2.00 A; A/B=189-427. DR PDB; 5JEK; X-ray; 2.40 A; A/B=189-427. DR PDB; 5JEL; X-ray; 1.60 A; A=189-427. DR PDB; 5JEM; X-ray; 2.50 A; A/B/E/G=189-398. DR PDB; 5JEO; X-ray; 1.72 A; A=189-427. DR PDB; 5JER; X-ray; 2.91 A; A/C/E/G=189-427. DR PDB; 6SIV; X-ray; 1.75 A; A=137-148. DR PDB; 6SJA; X-ray; 1.50 A; A=137-148. DR PDB; 7JFL; X-ray; 1.68 A; A/B=189-398. DR PDBsum; 1J2F; -. DR PDBsum; 1QWT; -. DR PDBsum; 1T2K; -. DR PDBsum; 1ZOQ; -. DR PDBsum; 2O61; -. DR PDBsum; 2O6G; -. DR PDBsum; 2PI0; -. DR PDBsum; 3A77; -. DR PDBsum; 3QU6; -. DR PDBsum; 5JEJ; -. DR PDBsum; 5JEK; -. DR PDBsum; 5JEL; -. DR PDBsum; 5JEM; -. DR PDBsum; 5JEO; -. DR PDBsum; 5JER; -. DR PDBsum; 6SIV; -. DR PDBsum; 6SJA; -. DR PDBsum; 7JFL; -. DR AlphaFoldDB; Q14653; -. DR SMR; Q14653; -. DR BioGRID; 109869; 139. DR CORUM; Q14653; -. DR DIP; DIP-41448N; -. DR ELM; Q14653; -. DR IntAct; Q14653; 71. DR MINT; Q14653; -. DR STRING; 9606.ENSP00000471896; -. DR BindingDB; Q14653; -. DR ChEMBL; CHEMBL4523293; -. DR iPTMnet; Q14653; -. DR PhosphoSitePlus; Q14653; -. DR BioMuta; IRF3; -. DR DMDM; 2497442; -. DR EPD; Q14653; -. DR jPOST; Q14653; -. DR MassIVE; Q14653; -. DR MaxQB; Q14653; -. DR PaxDb; Q14653; -. DR PeptideAtlas; Q14653; -. DR ProteomicsDB; 60091; -. [Q14653-1] DR ProteomicsDB; 60092; -. [Q14653-2] DR ProteomicsDB; 62791; -. DR Antibodypedia; 1283; 1540 antibodies from 46 providers. DR DNASU; 3661; -. DR Ensembl; ENST00000309877.11; ENSP00000310127.6; ENSG00000126456.16. [Q14653-1] DR Ensembl; ENST00000377139.8; ENSP00000366344.3; ENSG00000126456.16. [Q14653-1] DR Ensembl; ENST00000442265.2; ENSP00000400378.2; ENSG00000126456.16. [Q14653-5] DR Ensembl; ENST00000596765.5; ENSP00000470512.1; ENSG00000126456.16. [Q14653-3] DR Ensembl; ENST00000597198.5; ENSP00000469113.1; ENSG00000126456.16. [Q14653-1] DR Ensembl; ENST00000599223.5; ENSP00000471358.1; ENSG00000126456.16. [Q14653-2] DR Ensembl; ENST00000600022.5; ENSP00000472700.1; ENSG00000126456.16. [Q14653-3] DR Ensembl; ENST00000601291.5; ENSP00000471896.1; ENSG00000126456.16. [Q14653-4] DR GeneID; 3661; -. DR KEGG; hsa:3661; -. DR MANE-Select; ENST00000377139.8; ENSP00000366344.3; NM_001571.6; NP_001562.1. DR UCSC; uc002pot.3; human. [Q14653-1] DR AGR; HGNC:6118; -. DR CTD; 3661; -. DR DisGeNET; 3661; -. DR GeneCards; IRF3; -. DR HGNC; HGNC:6118; IRF3. DR HPA; ENSG00000126456; Low tissue specificity. DR MalaCards; IRF3; -. DR MIM; 603734; gene. DR MIM; 616532; phenotype. DR neXtProt; NX_Q14653; -. DR OpenTargets; ENSG00000126456; -. DR PharmGKB; PA29917; -. DR VEuPathDB; HostDB:ENSG00000126456; -. DR eggNOG; ENOG502QTRR; Eukaryota. DR GeneTree; ENSGT00940000160569; -. DR HOGENOM; CLU_031544_2_0_1; -. DR InParanoid; Q14653; -. DR OMA; DRGVMGY; -. DR OrthoDB; 3740806at2759; -. DR PhylomeDB; Q14653; -. DR TreeFam; TF328512; -. DR PathwayCommons; Q14653; -. DR Reactome; R-HSA-1169408; ISG15 antiviral mechanism. DR Reactome; R-HSA-1606341; IRF3 mediated activation of type 1 IFN. DR Reactome; R-HSA-168928; DDX58/IFIH1-mediated induction of interferon-alpha/beta. DR Reactome; R-HSA-3134973; LRR FLII-interacting protein 1 (LRRFIP1) activates type I IFN production. DR Reactome; R-HSA-3134975; Regulation of innate immune responses to cytosolic DNA. DR Reactome; R-HSA-3270619; IRF3-mediated induction of type I IFN. DR Reactome; R-HSA-877300; Interferon gamma signaling. DR Reactome; R-HSA-9013973; TICAM1-dependent activation of IRF3/IRF7. DR Reactome; R-HSA-909733; Interferon alpha/beta signaling. DR Reactome; R-HSA-918233; TRAF3-dependent IRF activation pathway. DR Reactome; R-HSA-933541; TRAF6 mediated IRF7 activation. DR Reactome; R-HSA-936440; Negative regulators of DDX58/IFIH1 signaling. DR Reactome; R-HSA-936964; Activation of IRF3/IRF7 mediated by TBK1/IKK epsilon. DR Reactome; R-HSA-9692916; SARS-CoV-1 activates/modulates innate immune responses. DR Reactome; R-HSA-9705671; SARS-CoV-2 activates/modulates innate and adaptive immune responses. DR SignaLink; Q14653; -. DR SIGNOR; Q14653; -. DR BioGRID-ORCS; 3661; 15 hits in 1188 CRISPR screens. DR ChiTaRS; IRF3; human. DR EvolutionaryTrace; Q14653; -. DR GeneWiki; IRF3; -. DR GenomeRNAi; 3661; -. DR Pharos; Q14653; Tbio. DR PRO; PR:Q14653; -. DR Proteomes; UP000005640; Chromosome 19. DR RNAct; Q14653; protein. DR Bgee; ENSG00000126456; Expressed in granulocyte and 179 other tissues. DR ExpressionAtlas; Q14653; baseline and differential. DR Genevisible; Q14653; HS. DR GO; GO:0000785; C:chromatin; IDA:UniProt. DR GO; GO:0005737; C:cytoplasm; IDA:BHF-UCL. DR GO; GO:0005829; C:cytosol; IDA:HPA. DR GO; GO:0005739; C:mitochondrion; IDA:UniProtKB. DR GO; GO:0005654; C:nucleoplasm; TAS:Reactome. DR GO; GO:0005634; C:nucleus; IDA:BHF-UCL. DR GO; GO:0003677; F:DNA binding; NAS:BHF-UCL. DR GO; GO:0001216; F:DNA-binding transcription activator activity; IDA:UniProt. DR GO; GO:0001228; F:DNA-binding transcription activator activity, RNA polymerase II-specific; IMP:NTNU_SB. DR GO; GO:0003700; F:DNA-binding transcription factor activity; IDA:UniProt. DR GO; GO:0000981; F:DNA-binding transcription factor activity, RNA polymerase II-specific; IDA:ARUK-UCL. DR GO; GO:0001227; F:DNA-binding transcription repressor activity, RNA polymerase II-specific; IEA:Ensembl. DR GO; GO:0042802; F:identical protein binding; IPI:IntAct. DR GO; GO:0140677; F:molecular function activator activity; IDA:UniProt. DR GO; GO:1990841; F:promoter-specific chromatin binding; IEA:Ensembl. DR GO; GO:0019904; F:protein domain specific binding; IPI:CAFA. DR GO; GO:0042803; F:protein homodimerization activity; IDA:UniProtKB. DR GO; GO:0000978; F:RNA polymerase II cis-regulatory region sequence-specific DNA binding; IDA:ARUK-UCL. DR GO; GO:0043565; F:sequence-specific DNA binding; IDA:NTNU_SB. DR GO; GO:1990837; F:sequence-specific double-stranded DNA binding; IDA:ARUK-UCL. DR GO; GO:0140537; F:transcription regulator activator activity; IDA:UniProt. DR GO; GO:0140374; P:antiviral innate immune response; IDA:UniProt. DR GO; GO:0006915; P:apoptotic process; TAS:UniProtKB. DR GO; GO:0071360; P:cellular response to exogenous dsRNA; IEA:Ensembl. DR GO; GO:0098586; P:cellular response to virus; IDA:UniProtKB. DR GO; GO:0002753; P:cytosolic pattern recognition receptor signaling pathway; IDA:UniProt. DR GO; GO:0051607; P:defense response to virus; ISS:UniProtKB. DR GO; GO:0006974; P:DNA damage response; TAS:UniProtKB. DR GO; GO:0002376; P:immune system process; IBA:GO_Central. DR GO; GO:0031663; P:lipopolysaccharide-mediated signaling pathway; IEA:Ensembl. DR GO; GO:0071888; P:macrophage apoptotic process; TAS:UniProtKB. DR GO; GO:0039530; P:MDA-5 signaling pathway; TAS:UniProtKB. DR GO; GO:0009299; P:mRNA transcription; IDA:UniProt. DR GO; GO:0043123; P:positive regulation of I-kappaB kinase/NF-kappaB signaling; IEA:Ensembl. DR GO; GO:0032727; P:positive regulation of interferon-alpha production; ISS:UniProtKB. DR GO; GO:0032728; P:positive regulation of interferon-beta production; ISS:UniProtKB. DR GO; GO:0045944; P:positive regulation of transcription by RNA polymerase II; IDA:ARUK-UCL. DR GO; GO:0032481; P:positive regulation of type I interferon production; IDA:UniProtKB. DR GO; GO:0060340; P:positive regulation of type I interferon-mediated signaling pathway; IEA:Ensembl. DR GO; GO:0097300; P:programmed necrotic cell death; IEA:Ensembl. DR GO; GO:0042981; P:regulation of apoptotic process; IDA:UniProtKB. DR GO; GO:0050727; P:regulation of inflammatory response; IEA:Ensembl. DR GO; GO:0006357; P:regulation of transcription by RNA polymerase II; IBA:GO_Central. DR GO; GO:0035666; P:TRIF-dependent toll-like receptor signaling pathway; IDA:UniProtKB. DR GO; GO:0060337; P:type I interferon-mediated signaling pathway; IEA:Ensembl. DR CDD; cd00103; IRF; 1. DR DisProt; DP01614; -. DR Gene3D; 2.60.200.10; -; 1. DR Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 1. DR IDEAL; IID00079; -. DR InterPro; IPR019817; Interferon_reg_fac_CS. DR InterPro; IPR001346; Interferon_reg_fact_DNA-bd_dom. DR InterPro; IPR019471; Interferon_reg_factor-3. DR InterPro; IPR017855; SMAD-like_dom_sf. DR InterPro; IPR008984; SMAD_FHA_dom_sf. DR InterPro; IPR036388; WH-like_DNA-bd_sf. DR InterPro; IPR036390; WH_DNA-bd_sf. DR PANTHER; PTHR11949; INTERFERON REGULATORY FACTOR; 1. DR PANTHER; PTHR11949:SF1; INTERFERON REGULATORY FACTOR 3; 1. DR Pfam; PF00605; IRF; 1. DR Pfam; PF10401; IRF-3; 1. DR PRINTS; PR00267; INTFRNREGFCT. DR SMART; SM00348; IRF; 1. DR SMART; SM01243; IRF-3; 1. DR SUPFAM; SSF49879; SMAD/FHA domain; 1. DR SUPFAM; SSF46785; Winged helix' DNA-binding domain; 1. DR PROSITE; PS00601; IRF_1; 1. DR PROSITE; PS51507; IRF_2; 1. PE 1: Evidence at protein level; KW 3D-structure; Activator; Alternative splicing; Antiviral defense; KW Cytoplasm; Disease variant; Disulfide bond; DNA-binding; KW Host-virus interaction; Immunity; Innate immunity; Isopeptide bond; KW Mitochondrion; Nucleus; Phosphoprotein; Reference proteome; Transcription; KW Transcription regulation; Ubl conjugation. FT CHAIN 1..427 FT /note="Interferon regulatory factor 3" FT /id="PRO_0000154553" FT DNA_BIND 5..111 FT /note="IRF tryptophan pentad repeat" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00840" FT REGION 91..136 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 141..427 FT /note="Mediates interaction with ZDHHC11" FT /evidence="ECO:0000269|PubMed:28331227" FT REGION 200..360 FT /note="Interaction with HERC5" FT /evidence="ECO:0000269|PubMed:20308324" FT MOTIF 139..149 FT /note="Nuclear export signal" FT COMPBIAS 91..106 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 115..136 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT SITE 121..122 FT /note="Cleavage; by CASP3" FT /evidence="ECO:0000269|PubMed:30878284" FT SITE 125..126 FT /note="Cleavage; by CASP3" FT /evidence="ECO:0000269|PubMed:30878284" FT MOD_RES 3 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 14 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 75 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 97 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 123 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:P70671" FT MOD_RES 175 FT /note="(Microbial infection) Phosphoserine" FT /evidence="ECO:0000269|PubMed:24049179" FT MOD_RES 180 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 188 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 237 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 244 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 253 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 385 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:22394562" FT MOD_RES 386 FT /note="Phosphoserine; by TBK1" FT /evidence="ECO:0000269|PubMed:22394562, FT ECO:0000269|PubMed:23746807, ECO:0000269|PubMed:27302953" FT MOD_RES 396 FT /note="Phosphoserine; by IKKE and TBK1" FT /evidence="ECO:0000269|PubMed:22394562, FT ECO:0000269|PubMed:23478265, ECO:0000269|PubMed:27302953" FT MOD_RES 398 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 404 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:23746807" FT MOD_RES 427 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:23746807" FT DISULFID 267..289 FT /evidence="ECO:0000269|PubMed:14555995, FT ECO:0000269|PubMed:14555996" FT CROSSLNK 193 FT /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with FT G-Cter in ISG15)" FT /evidence="ECO:0000269|PubMed:20308324" FT CROSSLNK 360 FT /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with FT G-Cter in ISG15)" FT /evidence="ECO:0000269|PubMed:20308324" FT CROSSLNK 366 FT /note="Glycyl lysine isopeptide (Lys-Gly) (interchain with FT G-Cter in ISG15)" FT /evidence="ECO:0000269|PubMed:20308324" FT VAR_SEQ 1..146 FT /note="Missing (in isoform 3)" FT /evidence="ECO:0000303|Ref.2" FT /id="VSP_046911" FT VAR_SEQ 56..104 FT /note="AWAEATGAYVPGRDKPDLPTWKRNFRSALNRKEGLRLAEDRSKDPHDPH -> FT ELGTFPSQTPLRTPMVEAVLLIPRKTFWMSYWVTWCWPHSQIRDPQAWL (in FT isoform 5)" FT /evidence="ECO:0000303|Ref.2" FT /id="VSP_047690" FT VAR_SEQ 105..427 FT /note="Missing (in isoform 5)" FT /evidence="ECO:0000303|Ref.2" FT /id="VSP_047691" FT VAR_SEQ 201..327 FT /note="Missing (in isoform 2 and isoform 3)" FT /evidence="ECO:0000303|Ref.2" FT /id="VSP_043319" FT VAR_SEQ 328..427 FT /note="DLITFTEGSGRSPRYALWFCVGESWPQDQPWTKRLVMVKVVPTCLRALVEMA FT RVGGASSLENTVDLHISNSHPLSLTSDQYKAYLQDLVEGMDFQGPGES -> GSWAPRS FT DYLHGRKRTLTTLCPLVLCGGVMAPGPAVDQEARDGQGCAHVPQGLGRNGPGRGCLLPG FT EYCGPAHFQQPPTLPHLRPVQGLPAGLGGGHGFPGPWGELSPRSSWCASNPPVPHHLNQ FT (in isoform 4)" FT /evidence="ECO:0000303|PubMed:15489334" FT /id="VSP_046912" FT VARIANT 49 FT /note="Missing (decreased IFNB induction upon Sendai virus FT infection)" FT /evidence="ECO:0000269|PubMed:32972995" FT /id="VAR_084069" FT VARIANT 96 FT /note="R -> Q (in dbSNP:rs968457)" FT /id="VAR_011901" FT VARIANT 107 FT /note="Y -> F (in dbSNP:rs34745118)" FT /id="VAR_049643" FT VARIANT 145..200 FT /note="Missing (decreased IFNB induction upon Sendai virus FT infection)" FT /evidence="ECO:0000269|PubMed:32972995" FT /id="VAR_084070" FT VARIANT 146 FT /note="N -> K (decreased IFNB induction upon Sendai virus FT infection)" FT /evidence="ECO:0000269|PubMed:32972995" FT /id="VAR_084071" FT VARIANT 227 FT /note="R -> Q (no effect on IFNB induction upon Sendai FT virus infection)" FT /evidence="ECO:0000269|PubMed:32972995" FT /id="VAR_084072" FT VARIANT 285 FT /note="R -> Q (in IIAE7; loss of viral infection-induced FT phosphorylation at S-386; loss of viral infection-induced FT homodimerization; loss of viral infection-induced FT transcription factor activity; unable to activate FT interferon transcription in response to viral infection; FT decreased IFNB induction upon Sendai virus infection; FT dbSNP:rs750526659)" FT /evidence="ECO:0000269|PubMed:26216125, FT ECO:0000269|PubMed:32972995" FT /id="VAR_075805" FT VARIANT 377 FT /note="E -> K (in dbSNP:rs1049486)" FT /id="VAR_011902" FT VARIANT 401 FT /note="L -> V (no effect on IFNB induction upon Sendai FT virus infection)" FT /evidence="ECO:0000269|PubMed:32972995" FT /id="VAR_084073" FT VARIANT 427 FT /note="S -> T (in dbSNP:rs7251)" FT /evidence="ECO:0000269|PubMed:14702039, ECO:0000269|Ref.5" FT /id="VAR_011903" FT MUTAGEN 77..78 FT /note="KR->NG: Abolishes nuclear localization." FT /evidence="ECO:0000269|PubMed:10805757" FT MUTAGEN 86..87 FT /note="RK->LQ: No effect on subcellular localization." FT /evidence="ECO:0000269|PubMed:10805757" FT MUTAGEN 116 FT /note="D->A: Does not affect cleavage by CASP3." FT /evidence="ECO:0000269|PubMed:30878284" FT MUTAGEN 121..125 FT /note="DTSPD->ATSPA: Abolished cleavage by CASP3." FT /evidence="ECO:0000269|PubMed:30878284" FT MUTAGEN 139..140 FT /note="IL->MM: Abolishes nuclear export." FT /evidence="ECO:0000269|PubMed:10805757" FT MUTAGEN 193 FT /note="K->R: Highly diminished ISGylation; when associated FT with R-360 and R-366." FT /evidence="ECO:0000269|PubMed:20308324" FT MUTAGEN 285 FT /note="R->S: Abolished interaction with STING1, MAVS or FT TICAM1." FT /evidence="ECO:0000269|PubMed:27302953" FT MUTAGEN 288 FT /note="H->S: Decreased interaction with TICAM1." FT /evidence="ECO:0000269|PubMed:27302953" FT MUTAGEN 290 FT /note="H->S: Decreased interaction with TICAM1." FT /evidence="ECO:0000269|PubMed:27302953" FT MUTAGEN 313 FT /note="K->S: Abolished interaction with STING1, MAVS or FT TICAM1." FT /evidence="ECO:0000269|PubMed:27302953" FT MUTAGEN 360 FT /note="K->R: Highly diminished ISGylation; when associated FT with R-193 and R-366." FT /evidence="ECO:0000269|PubMed:20308324" FT MUTAGEN 366 FT /note="K->R: Highly diminished ISGylation; when associated FT with R-193 and R-360." FT /evidence="ECO:0000269|PubMed:20308324" FT MUTAGEN 385..386 FT /note="SS->AA: Complete loss of viral infection induced FT phosphorylation." FT /evidence="ECO:0000269|PubMed:9566918" FT MUTAGEN 385 FT /note="S->A,D,E: Complete loss of viral infection induced FT phosphorylation." FT /evidence="ECO:0000269|PubMed:10920266, FT ECO:0000269|PubMed:22394562, ECO:0000269|PubMed:25636800" FT MUTAGEN 386 FT /note="S->A,D,E: Complete loss of viral infection induced FT phosphorylation." FT /evidence="ECO:0000269|PubMed:10920266, FT ECO:0000269|PubMed:22394562, ECO:0000269|PubMed:23746807, FT ECO:0000269|PubMed:25636800" FT MUTAGEN 386 FT /note="S->E: Phosphomimetic mutant; interacts with CREBBP; FT when associated with E-396." FT /evidence="ECO:0000269|PubMed:27302953" FT MUTAGEN 396..405 FT /note="SNSHPLSLTS->ANAHPLALAA: Complete loss of viral FT infection induced phosphorylation." FT /evidence="ECO:0000269|PubMed:9566918" FT MUTAGEN 396..405 FT /note="SNSHPLSLTS->DNDHPLDLDD: Acts as a constitutively FT activated IRF3." FT /evidence="ECO:0000269|PubMed:9566918" FT MUTAGEN 396..398 FT /note="SNS->ANA: Complete loss of viral infection induced FT phosphorylation." FT MUTAGEN 396 FT /note="S->E: Phosphomimetic mutant; interacts with CREBBP; FT when associated with E-386." FT /evidence="ECO:0000269|PubMed:27302953" FT MUTAGEN 402..405 FT /note="SLTS->ALAA: Complete loss of viral infection induced FT phosphorylation." FT CONFLICT 196 FT /note="L -> F (in Ref. 3; BAG37040)" FT /evidence="ECO:0000305" FT HELIX 8..18 FT /evidence="ECO:0007829|PDB:3QU6" FT STRAND 25..27 FT /evidence="ECO:0007829|PDB:2O61" FT STRAND 28..31 FT /evidence="ECO:0007829|PDB:2PI0" FT STRAND 33..37 FT /evidence="ECO:0007829|PDB:3QU6" FT STRAND 41..45 FT /evidence="ECO:0007829|PDB:2O6G" FT HELIX 49..51 FT /evidence="ECO:0007829|PDB:2PI0" FT HELIX 53..60 FT /evidence="ECO:0007829|PDB:3QU6" FT STRAND 66..69 FT /evidence="ECO:0007829|PDB:2O61" FT HELIX 73..85 FT /evidence="ECO:0007829|PDB:3QU6" FT STRAND 90..96 FT /evidence="ECO:0007829|PDB:3QU6" FT STRAND 100..102 FT /evidence="ECO:0007829|PDB:3QU6" FT STRAND 104..109 FT /evidence="ECO:0007829|PDB:3QU6" FT HELIX 137..143 FT /evidence="ECO:0007829|PDB:6SJA" FT HELIX 191..196 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 204..210 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 213..220 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 226..229 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 238..244 FT /evidence="ECO:0007829|PDB:5JEL" FT HELIX 248..250 FT /evidence="ECO:0007829|PDB:7JFL" FT STRAND 252..254 FT /evidence="ECO:0007829|PDB:5JEJ" FT HELIX 255..266 FT /evidence="ECO:0007829|PDB:5JEL" FT TURN 267..270 FT /evidence="ECO:0007829|PDB:1ZOQ" FT STRAND 272..277 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 280..285 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 287..289 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 291..297 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 304..306 FT /evidence="ECO:0007829|PDB:5JEO" FT STRAND 308..310 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 313..315 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 317..321 FT /evidence="ECO:0007829|PDB:5JEL" FT HELIX 322..333 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 343..350 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 354..356 FT /evidence="ECO:0007829|PDB:7JFL" FT HELIX 358..360 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 361..369 FT /evidence="ECO:0007829|PDB:5JEL" FT HELIX 370..383 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 384..391 FT /evidence="ECO:0007829|PDB:5JEL" FT STRAND 395..397 FT /evidence="ECO:0007829|PDB:5JER" FT STRAND 401..404 FT /evidence="ECO:0007829|PDB:5JEL" FT HELIX 405..417 FT /evidence="ECO:0007829|PDB:5JEL" SQ SEQUENCE 427 AA; 47219 MW; F536676FA78B0110 CRC64; MGTPKPRILP WLVSQLDLGQ LEGVAWVNKS RTRFRIPWKH GLRQDAQQED FGIFQAWAEA TGAYVPGRDK PDLPTWKRNF RSALNRKEGL RLAEDRSKDP HDPHKIYEFV NSGVGDFSQP DTSPDTNGGG STSDTQEDIL DELLGNMVLA PLPDPGPPSL AVAPEPCPQP LRSPSLDNPT PFPNLGPSEN PLKRLLVPGE EWEFEVTAFY RGRQVFQQTI SCPEGLRLVG SEVGDRTLPG WPVTLPDPGM SLTDRGVMSY VRHVLSCLGG GLALWRAGQW LWAQRLGHCH TYWAVSEELL PNSGHGPDGE VPKDKEGGVF DLGPFIVDLI TFTEGSGRSP RYALWFCVGE SWPQDQPWTK RLVMVKVVPT CLRALVEMAR VGGASSLENT VDLHISNSHP LSLTSDQYKA YLQDLVEGMD FQGPGES //