CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 94.1280 7.8960 2.7680 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > tHYsf1Ah1ESBuSQWGsh5Gw > 2025-07-15 05:52:23 > 0.9.12 > ligand > pdb-bcif > 4ecg > atom_site > {"label_asym_id":"E","auth_seq_id":503} > 12 > 9 > 3 > 249 > 0 > 1 $$$$