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 > 5NRthIjEXzF44cQ4biMJ1w > 2025-07-10 12:52:21 > 0.9.12 > ligand > pdb-bcif > 6n1k > atom_site > {"label_asym_id":"J","auth_seq_id":502} > 148 > 14 > 30 > 280 > 4 > 1 $$$$