UNX ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -22.3750 -23.2340 -19.5500 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > ylcEUHfKH6yaWmPO40N2HQ > 2025-07-04 03:54:54 > 0.9.12 > ligand > pdb-bcif > 4rg2 > atom_site > {"label_asym_id":"K","auth_seq_id":1709} > 7 > 8 > 4 > 520 > 0 > 1 $$$$