#WARNING:no index is registered index "YP_009725306.1" in "https://rest.uniprot.org/uniprotkb/" url "https://rest.uniprot.org/uniprotkb/YP_009725306.1.txt". 
Please visit the UniProt website(https://www.uniprot.org), and get a proper ID/AC for your query protein.
This script (prot_sch_sup3d.cgi) requires query 3D structures (QPDB_ID= QCHAIN_ID=) !!
PID 2496219