CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 21.9670 -23.3250 32.0120 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > 3KcgBYDLGtsHpSDHkNgYrA > 2025-07-05 17:59:35 > 0.9.12 > ligand > pdb-bcif > 4ko4 > atom_site > {"label_asym_id":"Y","auth_seq_id":503} > 46 > 13 > 32 > 432 > 0 > 1 $$$$