CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 54.8950 2.7130 3.7830 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > cq2tWCftLQ89dR_1DAVXFg > 2025-07-02 06:42:56 > 0.9.12 > ligand > pdb-bcif > 4ecw > atom_site > {"label_asym_id":"E","auth_seq_id":502} > 66 > 9 > 6 > 320 > 0 > 1 $$$$