MG ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 80.9310 47.8650 144.1300 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > y4Uw39WtCUsIFpvbBXifAw > 2025-07-13 12:52:18 > 0.9.12 > ligand > pdb-bcif > 2fn3 > atom_site > {"label_asym_id":"B","auth_seq_id":531} > 31 > 20 > 12 > 873 > 0 > 1 $$$$