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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: GDP-mannose + dolichyl phosphate = GDP + dolichyl D-mannosyl phosphate. Catalysis of the reaction: heteroglycan + GDP-mannose = 1,2(or 1,3)-alpha-D-mannosylheteroglycan + GDP. Catalysis of the reaction: 1,6-alpha-D-mannosyloligodaccharide + beta-D-mannosylphosphodecaprenol = 1,6-alpha-D-mannosyl-1,6-alpha-D-mannosyl-oligosaccharide + decaprenol phosphate. Catalysis of the transfer of an alpha-D-mannosyl residue from dolichyl-phosphate D-mannose into membrane lipid-linked oligosaccharide. Catalysis of the transfer of a hexosyl group from one compound (donor) to another (acceptor). Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming an alpha-1,3-linkage. Catalysis of the reaction: undecaprenyl phosphate + GDP-mannose = D-mannosyl-1-phosphoundecaprenol + GDP. Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor). Catalysis of the transfer of an alpha-D-mannosyl residue from GDP-mannose into lipid-linked oligosaccharide, forming an alpha-D-mannosyl-D-mannose linkage. Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming a beta-1,4-linkage. Catalysis of the reaction: dolichyl phosphate D-mannose + protein = dolichyl phosphate + O-D-mannosylprotein. Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming an alpha-1,4-linkage. Catalysis of the reaction: GDP-mannose + tRNA(Asp)-queuosine = GDP + tRNA(Asp)-O-5''-beta-D-mannosylqueuosine. Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming an alpha-1,6-linkage. Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming an alpha-1,2-linkage.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: mannosyltransferase activity
Acc: GO:0000030
Aspect: Molecular Function
Desc: Catalysis of the transfer of a mannosyl group to an acceptor molecule, typically another carbohydrate or a lipid.
Proteins in PDR annotated with:
   This term: 60 [Search]
   Term or descendants: 157 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0000030 - mannosyltransferase activity (interactive image map)
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