YT3 ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 31.9080 26.6110 53.6310 Y 0 1 0 0 0 0 0 0 0 0 0 0 M END > K4pajxmh9Lcp4-ZHZSR6XQ > 2025-07-03 16:52:12 > 0.9.12 > ligand > pdb-bcif > 1st4 > atom_site > {"label_asym_id":"E","auth_seq_id":502} > 49 > 8 > 7 > 316 > 0 > 1 $$$$