UNX ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -17.8650 -10.7610 -1.6600 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > ciuPaiHDfTLhgCW7idT6vw > 2025-07-09 01:03:13 > 0.9.12 > ligand > pdb-bcif > 4rg2 > atom_site > {"label_asym_id":"O","auth_seq_id":1703} > 7 > 7 > 4 > 274 > 0 > 1 $$$$