CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 22.5370 -14.7040 -44.4720 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > QnNIkdr9AEUkZf5UaQxfNQ > 2025-07-14 13:56:01 > 0.9.12 > ligand > pdb-bcif > 4q6n > atom_site > {"label_asym_id":"D","auth_seq_id":503} > 120 > 11 > 6 > 822 > 1 > 1 $$$$