CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 56.7280 31.0930 9.4460 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > pUZ9n1IOml0apW95WvB9jg > 2025-07-16 17:40:10 > 0.9.12 > ligand > pdb-bcif > 4btx > atom_site > {"label_asym_id":"M","auth_seq_id":1763} > 12 > 17 > 18 > 291 > 0 > 1 $$$$