IUM ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 18.1280 -4.4330 17.1320 U 0 0 0 0 0 0 0 0 0 0 0 0 M END > _cgpF3XgwTFjUw3y6UXVcQ > 2025-07-15 15:51:10 > 0.9.12 > ligand > pdb-bcif > 1b3f > atom_site > {"label_asym_id":"E","auth_seq_id":520} > 8 > 15 > 29 > 371 > 0 > 1 $$$$