CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 54.8550 2.7640 3.8120 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > RduACtFKZ5A7Klovv4i7jA > 2025-06-25 04:41:57 > 0.9.12 > ligand > pdb-bcif > 4ecv > atom_site > {"label_asym_id":"E","auth_seq_id":502} > 73 > 17 > 6 > 317 > 0 > 1 $$$$