MG ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 65.6140 76.9770 46.7150 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > 9mDRtXPhNjrEFfteVAlt1Q > 2025-07-09 14:03:49 > 0.9.12 > ligand > pdb-bcif > 4q21 > atom_site > {"label_asym_id":"B","auth_seq_id":273} > 53 > 9 > 5 > 562 > 0 > 1 $$$$