O ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 38.4040 56.9930 45.9890 O 0 0 0 0 0 0 0 0 0 0 0 0 M END > SZN2XtTf6O717sYC7h4F9Q > 2025-07-03 21:28:05 > 0.9.12 > ligand > pdb-bcif > 2frv > atom_site > {"label_asym_id":"BB","auth_seq_id":539} > 18 > 9 > 46 > 235 > 0 > 1 $$$$