CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 6.1230 9.6820 146.0440 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > KDLKoieC-p1-IKaN7hDN5w > 2025-07-16 20:31:45 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"IA","auth_seq_id":2521} > 13 > 10 > 12 > 256 > 0 > 1 $$$$