2.4.1.131: GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase
This is an abbreviated version!
For detailed information about GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase, go to the full flat file.
Word Map on EC 2.4.1.131
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2.4.1.131
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lipid-linked
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n-glycosylation
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n-linked
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glycosyltransferase
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dolichol-linked
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asparagine-linked
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man5glcnac2-pp-dolichol
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alpha1,2-linked
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single-subunit
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oligosaccharyltransferase
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man5glcnac2-pp-dol
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microcephaly
- 2.4.1.131
-
lipid-linked
-
n-glycosylation
-
n-linked
- glycosyltransferase
-
dolichol-linked
-
asparagine-linked
-
man5glcnac2-pp-dolichol
-
alpha1,2-linked
-
single-subunit
-
oligosaccharyltransferase
-
man5glcnac2-pp-dol
-
microcephaly
Reaction
2 GDP-alpha-D-mannose + = 2 GDP +
Synonyms
Alg11, Alg2 mannosyltransferase, At2G40190, galactomannan deficiency protein 3, GDP-Man:Man3GlcNAc2-PP-dolichol-alpha1,2-mannosyltransferase, GDP-mannose-oligosaccharide-lipid mannosyltransferase, gmd3, guanosine diphosphomannose-oligosaccharide-lipid mannosyltransferase, hALG11, LEW3, mannosyltransferase, guanosine diphosphomannose-oligosaccharide-lipid, oligosaccharide-lipid mannosyltransferase
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Systematic Name
Systematic Name on EC 2.4.1.131 - GDP-Man:Man3GlcNAc2-PP-dolichol alpha-1,2-mannosyltransferase
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GDP-alpha-D-mannose:D-Man-alpha-(1->3)-[D-Man-alpha-(1->6)]-D-Man-beta-(1->4)-D-GlcNAc-beta-(1->4)-D-GlcNAc-diphosphodolichol 2-alpha-D-mannosyltransferase
The biosynthesis of asparagine-linked glycoproteins (N-linked protein glycosylation) utilizes a dolichyl diphosphate-linked glycosyl donor, which is assembled by the series of membrane-bound glycosyltransferases that comprise the dolichol pathway. ALG11 mannosyltransferase from Saccharomyces cerevisiae carries out two sequential steps in the formation of the lipid-linked core oligosaccharide, adding two mannose residues in alpha(1->2) linkages to the nascent oligosaccharide.