CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 20.0230 -37.8960 -62.5860 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > 91Lexn4fottNbvCo2IBecA > 2025-03-28 07:31:29 > 0.9.12 > ligand > pdb-bcif > 4kpn > atom_site > {"label_asym_id":"I","auth_seq_id":400} > 44 > 20 > 55 > 272 > 0 > 1 $$$$