ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 24.2000 34.9480 39.8070 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > BJrIaCo1nlBu4ja0ubD97A > 2025-07-13 01:07:01 > 0.9.12 > ligand > pdb-bcif > 4fec > atom_site > {"label_asym_id":"O","auth_seq_id":507} > 21 > 14 > 9 > 321 > 0 > 1 $$$$