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Catalysis of the transfer of a phosphate group from GTP or GDP to a mannose molecule. Catalysis of the transfer of a guanylyl group to an acceptor. Catalysis of the reaction: GTP + alpha-D-mannose 1-phosphate = diphosphate + GDP-mannose.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: mannose-1-phosphate guanylyltransferase activity
Acc: GO:0004475
Aspect: Molecular Function
Desc: Catalysis of the reaction: GTP + alpha-D-mannose 1-phosphate = diphosphate + GDP-mannose.
Synonyms:
  • guanosine triphosphate-mannose 1-phosphate guanylyltransferase activity
  • guanosine 5'-diphospho-D-mannose pyrophosphorylase activity
  • guanosine diphosphomannose pyrophosphorylase activity
  • GTP:mannose-1-phosphate guanylyltransferase activity
  • PIM-GMP (phosphomannose isomerase-guanosine 5'-diphospho-D-mannose pyrophosphorylase)
  • mannose 1-phosphate guanylyltransferase (guanosine triphosphate)
  • GTP:alpha-D-mannose-1-phosphate guanylyltransferase activity
  • GDP-mannose pyrophosphorylase activity
  • GTP-mannose-1-phosphate guanylyltransferase activity
Proteins in PDR annotated with:
   This term: 15 [Search]
   Term or descendants: 15 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004475 - mannose-1-phosphate guanylyltransferase activity (interactive image map)
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