CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -13.3810 -15.9180 -12.5940 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > iupaINuySZ8__Hie8p7pPg > 2025-07-15 15:30:18 > 0.9.12 > ligand > pdb-bcif > 4kpn > atom_site > {"label_asym_id":"K","auth_seq_id":400} > 143 > 13 > 38 > 364 > 0 > 1 $$$$