FE ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 8.7490 -39.5720 -3.4400 FE 0 1 0 0 0 0 0 0 0 0 0 0 M END > 5xBTk5BCK9ktz7qcCSBD_g > 2024-05-12 03:56:00 > 0.9.11 > ligand > pdb-bcif > 4rb4 > atom_site > {"label_asym_id":"O","auth_seq_id":501} > 4 > 51 > 46 > 240 > 0 > 1 $$$$