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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 hexosyl group from one compound (donor) to another (acceptor). Catalysis of the reaction: GDP-mannose + chitobiosyldiphosphodolichol = GDP + beta-D-mannosylchitobiosyldiphosphodolichol. Catalysis of the reaction: glucomannan(n) + GDP-mannose = glucomannan(n+1) + GDP. 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: beta-1,4-mannosyltransferase activity
Acc: GO:0019187
Aspect: Molecular Function
Desc: Catalysis of the transfer of a mannose residue from GDP-mannose to an oligosaccharide, forming a beta-1,4-linkage.
Proteins in PDR annotated with:
   This term: 5 [Search]
   Term or descendants: 8 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0019187 - beta-1,4-mannosyltransferase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle