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Glycolipid 2 alpha mannosyltransferase

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EC number
  
2.4.1.131

IntEnz
  
IntEnz view

ExPASy
  
NiceZyme view

CAS number
  
74506-43-7

BRENDA
  
BRENDA entry

KEGG
  
KEGG entry

In enzymology, a glycolipid 2-alpha-mannosyltransferase (EC 2.4.1.131) is an enzyme that catalyzes the chemical reaction in which an alpha-D-mannosyl residue is transferred from GDP-mannose to lipid-linked oligosaccharide, being attached by an alpha-1,2-D-mannosyl-D-mannose bond.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is GDP-mannose:glycolipid 1,2-alpha-D-mannosyltransferase. Other names in common use include guanosine diphosphomannose-oligosaccharide-lipid, mannosyltransferase, GDP-mannose-oligosaccharide-lipid mannosyltransferase, and oligosaccharide-lipid mannosyltransferase.

Structural studies

As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 1S4N, 1S4O, and 1S4P.

References

Glycolipid 2-alpha-mannosyltransferase Wikipedia