## BRIEF DESCRIPTION OF COLUMNS FOR 'prot_sch_sitetab_tsv.cgi'. ## site :site number of query sequence aa :amino acid of query sequence pred_sec :predicted secondary structure pred_expbur :predicted exposed/buried pred_accessibility:predicted accesssibility pdb_asym_id :PDB code and asym_id for homologous structure hetero :contact molecules for "hetero" complex. UniProtIDs or other descriptions are described by ":"-separatad strings. nucleotide :contact molecules for "nucleotide" complex. Descriptions are described by ":"-separatad strings. compound :contact molecules for "compound" complex. Three-letter codes are described by ":"-separatad strings. metal :contact molecules for "metal" complex. Three-letter codes are described by ":"-separatad strings. otherpoly :contact molecules for "otherpoly" complex. Descriptions are described by ":"-separatad strings. homo :contact molecules for "homo" complex. UniProtIDs or other descriptions are described by ":"-separatad strings. precipitant :contact molecules for "precipitant" complex. Three-letter codes are described by ":"-separatad strings. A :frequency for "A" C :frequency for "C" D :frequency for "D" E :frequency for "E" F :frequency for "F" G :frequency for "G" H :frequency for "H" I :frequency for "I" K :frequency for "K" L :frequency for "L" M :frequency for "M" N :frequency for "N" P :frequency for "P" Q :frequency for "Q" R :frequency for "R" S :frequency for "S" T :frequency for "T" V :frequency for "V" W :frequency for "W" Y :frequency for "Y" feature_table :Feature Table of UniProt variant :Human Variant of UniProt