FE ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 14.2100 26.1500 26.2900 FE 0 1 0 0 0 0 0 0 0 0 0 0 M END > v0yk7V0uxSTB6d3FjRIixQ > 2025-07-07 00:28:58 > 0.9.12 > ligand > pdb-bcif > 4rxn > atom_site > {"label_asym_id":"B","auth_seq_id":55} > 38 > 17 > 11 > 291 > 0 > 1 $$$$