ZN ModelServer 0.9.9 1 0 0 0 0 0 0 0 0 0 0 2.8690 44.2090 13.4970 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > t281OFloxQx1eqWYA-q6RQ > 2023-09-24 07:32:13 > 0.9.9 > ligand > pdb-bcif > 2qq4 > atom_site > {"label_asym_id":"O","auth_seq_id":139} > 15 > 52 > 21 > 260 > 0 > 1 $$$$