CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 12.9090 18.7480 -9.3620 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > mQIkfyUPJkX2dMLzGT3qDA > 2025-07-07 02:17:52 > 0.9.12 > ligand > pdb-bcif > 4kh9 > atom_site > {"label_asym_id":"C","auth_seq_id":401} > 16 > 9 > 13 > 276 > 0 > 1 $$$$