MG ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 -104.7670 29.3290 -2.6430 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > RtSKGr8pmkzHuzmm4TVZnA > 2024-06-26 18:47:51 > 0.9.11 > ligand > pdb-bcif > 4u20 > atom_site > {"label_asym_id":"FF","auth_seq_id":1657} > 145 > 60 > 451 > 255 > 0 > 1 $$$$