K ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 -39.6360 130.8960 179.6870 K 0 3 0 0 0 0 0 0 0 0 0 0 M END > ECh3tzOKr-o8VN9huswKdg > 2024-05-04 06:56:52 > 0.9.11 > ligand > pdb-bcif > 6qnr > atom_site > {"label_asym_id":"URA","auth_seq_id":3103} > 44 > 227 > 539 > 258 > 0 > 1 $$$$