CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -13.9480 -12.9250 -50.0040 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > V7RATlBNXp0dbqDm6Mxlvg > 2025-07-07 14:54:34 > 0.9.12 > ligand > pdb-bcif > 4kpn > atom_site > {"label_asym_id":"J","auth_seq_id":400} > 44 > 9 > 23 > 239 > 0 > 1 $$$$