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Catalysis of the transfer of a mannosyl group to an acceptor molecule, typically another carbohydrate or a lipid. Catalysis of the reaction: mannan(n) + GDP-mannose = mannan(n+1) + GDP. This reaction is the formation of the beta-1,4-linked mannan backbone in substrates such as galactomannan. Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming a beta-1,4-linkage.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: mannan synthase activity
Acc: GO:0051753
Aspect: Molecular Function
Desc: Catalysis of the reaction: mannan(n) + GDP-mannose = mannan(n+1) + GDP. This reaction is the formation of the beta-1,4-linked mannan backbone in substrates such as galactomannan.
Synonyms:
  • galactomannan beta-1,4-mannosyltransferase activity
  • mannan beta-1,4-mannosyltransferase activity
Proteins in PDR annotated with:
   This term: 3 [Search]
   Term or descendants: 3 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0051753 - mannan synthase activity (interactive image map)
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Created and Maintained by: Michael Riffle