KEGG   REACTION: R02147
Entry
R02147                      Reaction                               
Name
guanosine:phosphate alpha-D-ribosyltransferase
Definition
Guanosine + Orthophosphate <=> Guanine + alpha-D-Ribose 1-phosphate
Equation
C00387 + C00009 <=> C00242 + C00620
Reaction class
RC00063  C00242_C00387
Enzyme
2.4.2.1         2.4.2.15
Pathway
rn00230  Purine metabolism
rn01100  Metabolic pathways
rn01232  Nucleotide metabolism
Module
M00959  Guanine ribonucleotide degradation, GMP => Urate
M00968  Pentose bisphosphate pathway (nucleoside degradation), archaea, nucleoside/NMP => 3-PGA/glycerone phosphate
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  2.4  Glycosyltransferases
   2.4.2  Pentosyltransferases
    2.4.2.1
     R02147  Guanosine + Orthophosphate <=> Guanine + alpha-D-Ribose 1-phosphate
    2.4.2.15
     R02147  Guanosine + Orthophosphate <=> Guanine + alpha-D-Ribose 1-phosphate
IUBMB reaction hierarchy [BR:br08202]
 2. Transferase reactions
  2.4.2.1
   R08368  N-D-Ribosylpurine <=> Purine
    R02147  Guanosine <=> Guanine
Orthology
K03783  purine-nucleoside phosphorylase [EC:2.4.2.1]
K03784  purine-nucleoside phosphorylase [EC:2.4.2.1]
K05810  purine-nucleoside/S-methyl-5'-thioadenosine phosphorylase / adenosine deaminase [EC:2.4.2.1 2.4.2.28 3.5.4.4]
K09913  purine/pyrimidine-nucleoside phosphorylase [EC:2.4.2.1 2.4.2.2]
K26211  guanosine phosphorylase [EC:2.4.2.15]
K26212  guanosine phosphorylase [EC:2.4.2.15]
Other DBs
RHEA: 13236
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