CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 54.5730 1.5660 66.8490 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > YFsLXXcSk6-pkClMiYCSqA > 2025-07-13 22:09:46 > 0.9.12 > ligand > pdb-bcif > 4m5f > atom_site > {"label_asym_id":"E","auth_seq_id":503} > 36 > 9 > 4 > 328 > 5 > 1 $$$$