5knq

Crystal structure of Mycobacterium tuberculosis hypoxanthine guanine phosphoribosyltransferase in complex with [3S,4R]-(4-(Guanin-9-yl)pyrrolidin-3-yl)oxymethanephosphonic acid and pyrophosphate

spinqualitylabelsall models 5knq, resolution 2.55Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5knq is a 4 chain structure with sequence from Mycobacterium tuberculosis H37Rv. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.553Å Ligands: 6W8, MG, POP Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function HGPRT_MYCTU Purine salvage pathway enzyme that catalyzes the transfer of the ribosyl-5-phosphate group from 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) to the N9 position of the 6-oxopurines hypoxanthine and guanine to form the corresponding ribonucleotides IMP (inosine 5'-monophosphate) and GMP (guanosine 5'-monophosphate), with the release of PPi (PubMed:19362594, PubMed:25915781). Thus, specifically recycles hypoxanthine and guanine imported from the external medium, and converts them to IMP and GMP, respectively. Cannot use xanthine as substrate (PubMed:19362594). See Also Phosphoribosyltransferase 3D structures

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