MG ModelServer 0.9.11 1 0 0 0 0 0 0 0 0 0 0 41.9080 4.4430 50.8850 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > sngXD9DG-XsyGm6HD-Biiw > 2024-05-01 11:08:58 > 0.9.11 > ligand > pdb-bcif > 4u3n > atom_site > {"label_asym_id":"GU","auth_seq_id":3493} > 326 > 124 > 602 > 269 > 0 > 1 $$$$