Enzyme:2.4.2.8

Upper Levels: EC2.-.-.- Transferases. : EC2.4.-.- Glycosyltransferases. : EC2.4.2.- Pentosyltransferases.

IDs and Links
IUBMB	EC2
ExPaSy	NiceZyme 2.4.2.8

IMP:diphosphate phospho-D-ribosyltransferase
Systematic Name	IMP:diphosphate phospho-D-ribosyltransferase
Common Name	hypoxanthine phosphoribosyltransferase IMP pyrophosphorylase transphosphoribosidase hypoxanthine-guanine phosphoribosyltransferase GPRT

GMP + Pyrophosphate = Guanine + D-5-Phospho-ribosyl 1-diphosphate (links: GMP = 2-Amino-3,7-dihydropurin-6-one + D-5-Phospho-ribosyl 1-diphosphate)
GMP <Mapping> AtomMap:BMCCPUGU0012$BMCCPUGU0014$0 2-Amino-3,7-dihydropurin-6-one 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 10 ↔ 10 GMP <Mapping> AtomMap:BMCCPUGU0012$BMSUM5Ae--04$0 D-5-Phospho-ribosyl 1-diphosphate 12 ↔ 1 13 ↔ 2 14 ↔ 3 15 ↔ 4 16 ↔ 5

9-(5-Phospho-1-ribofuranosyl)-6-mercapto-purine + Pyrophosphate = 6-Mercapto-purine + D-5-Phospho-ribosyl 1-diphosphate (links: 9-(5-Phospho-1-ribofuranosyl)-6-mercapto-purine = 6-Mercapto-purine + D-5-Phospho-ribosyl 1-diphosphate)
9-(5-Phospho-1-ribofuranosyl)-6-mercapto-purine <Mapping> AtomMap:BMCCPUAPf041$BMCCPUXAf005$0 6-Mercapto-purine 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 10 ↔ 10 9-(5-Phospho-1-ribofuranosyl)-6-mercapto-purine <Mapping> AtomMap:BMCCPUAPf041$BMSUM5Ae--04$0 D-5-Phospho-ribosyl 1-diphosphate 11 ↔ 1 12 ↔ 2 13 ↔ 3 14 ↔ 4 15 ↔ 5

XMP + Pyrophosphate = Xanthine + D-5-Phospho-ribosyl 1-diphosphate (links: XMP = 3,7-Dihydropurine-2,6-dione + D-5-Phospho-ribosyl 1-diphosphate)
XMP <Mapping> AtomMap:BMCCPUXA0024$BMCCPUXA0021$0 3,7-Dihydropurine-2,6-dione 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 XMP <Mapping> AtomMap:BMCCPUXA0024$BMSUM5Ae--04$0 D-5-Phospho-ribosyl 1-diphosphate 12 ↔ 1 13 ↔ 2 14 ↔ 3 15 ↔ 4 16 ↔ 5

AMP + Pyrophosphate = Adenine + D-5-Phospho-ribosyl 1-diphosphate (links: AMP = 7H-Purin-6-amine + D-5-Phospho-ribosyl 1-diphosphate)
AMP <Mapping> AtomMap:BMCCPUAP0021$BMCCPUAD0007$0 7H-Purin-6-amine 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 10 ↔ 10 AMP <Mapping> AtomMap:BMCCPUAP0021$BMSUM5Ae--04$0 D-5-Phospho-ribosyl 1-diphosphate 11 ↔ 1 12 ↔ 2 13 ↔ 3 14 ↔ 4 15 ↔ 5

IMP + Pyrophosphate = Hypoxanthine + D-5-Phospho-ribosyl 1-diphosphate (links: IMP = 3,7-Dihydropurin-6-one + D-5-Phospho-ribosyl 1-diphosphate)
IMP <Mapping> AtomMap:BMCCPUXA0014$BMCCPUXA0012$0 3,7-Dihydropurin-6-one 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 IMP <Mapping> AtomMap:BMCCPUXA0014$BMSUM5Ae--04$0 D-5-Phospho-ribosyl 1-diphosphate 11 ↔ 1 12 ↔ 2 13 ↔ 3 14 ↔ 4 15 ↔ 5