Enzyme Details

Enzyme (Recommended) Name	hypoxanthine phosphoribosyltransferase
Alternative names	IMP:diphosphate phospho-D-ribosyltransferase IMP pyrophosphorylase transphosphoribosidase hypoxanthine---guanine phosphoribosyltransferase guanine phosphoribosyltransferase GPRT HPRT guanosine 5'-phosphate pyrophosphorylase IMP-GMP pyrophosphorylase HGPRTase 6-hydroxypurine phosphoribosyltransferase 6-mercaptopurine phosphoribosyltransferase GMP pyrophosphorylase guanine-hypoxanthine phosphoribosyltransferase guanosine phosphoribosyltransferase guanylate pyrophosphorylase guanylic pyrophosphorylase inosinate pyrophosphorylase inosine 5'-phosphate pyrophosphorylase inosinic acid pyrophosphorylase inosinic pyrophosphorylase 6-mercaptopurine phosphoribosyltransferase purine-6-thiol phosphoribosyltransferase
EC Classification	2.4.2.8
Classification	Transferases Glycosyltransferases Pentosyltransferases
Catalyses reactions	Diphosphate + IMP <-> 5-Phospho-alpha-D-ribose 1-diphosphate + Hypoxanthine Diphosphate + XMP <-> 5-Phospho-alpha-D-ribose 1-diphosphate + Xanthine Diphosphate + GMP <-> Guanine + 5-Phospho-alpha-D-ribose 1-diphosphate
External links	Expasy KEGG IntEnz (EBI) IUBMB Reactome HepatoSys
	View all entries for EC Class 2.4.2.8