CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 14.7280 55.2390 -11.3910 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > xJ8C4oVgulajxL-Q7Gf9UA > 2025-07-07 00:31:36 > 0.9.12 > ligand > pdb-bcif > 6fkj > atom_site > {"label_asym_id":"U","auth_seq_id":503} > 40 > 14 > 116 > 407 > 0 > 1 $$$$