FE ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 42.2740 52.4660 73.1500 FE 0 1 0 0 0 0 0 0 0 0 0 0 M END > aODMuaz4QhWXJpU1QAVm3Q > 2025-07-14 19:36:38 > 0.9.12 > ligand > pdb-bcif > 6n1k > atom_site > {"label_asym_id":"J","auth_seq_id":502} > 39 > 20 > 43 > 322 > 0 > 1 $$$$