CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 20.5130 98.5750 41.6850 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > UWbqpc3SuD8Au9Ok10q-Rg > 2025-07-17 11:35:39 > 0.9.12 > ligand > pdb-bcif > 4dk7 > atom_site > {"label_asym_id":"M","auth_seq_id":502} > 63 > 7 > 4 > 222 > 0 > 1 $$$$