Term Information

Accession
GO:0004377
Name
GDP-Man:Man3GlcNAc2-PP-Dol alpha-1,2-mannosyltransferase activity
Ontology
molecular_function
Synonyms
GDP-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 alpha-1,2-mannosyltransferase activity, GDP-mannose-oligosaccharide-lipid mannosyltransferase activity, GDP-mannose:glycolipid 1,2-alpha-D-mannosyltransferase activity, glycolipid 2-alpha-mannosyltransferase activity, guanosine diphosphomannose-oligosaccharide-lipid mannosyltransferase activity, oligosaccharide-lipid mannosyltransferase activity
Alternate IDs
None
Definition
Catalysis of the reaction: an alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc-diphosphodolichol + 2 GDP-alpha-D-mannose = an alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc-diphosphodolichol + 2 GDP + 2 H+. This reaction is the transfer of an alpha-D-mannosyl residue from GDP-mannose into lipid-linked oligosaccharide, forming an alpha-(1->2)-D-mannosyl-D-mannose linkage. Source: EC:2.4.1.131
Comment
None
History
See term history for GO:0004377 at QuickGO
Subset
None
Feedback
Comments, changes to terms, or requests for new ontology terms can be made at GO issue tracker on GitHub.

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Parents of GDP-Man:Man3GlcNAc2-PP-Dol alpha-1,2-mannosyltransferase activity (GO:0004377)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
GDP-Man:Man3GlcNAc2-PP-Dol alpha-1,2-mannosyltransferase activity [is_a relation] is_a  alpha-1,2-mannosyltransferase activity (GO:0000026)
GDP-Man:Man3GlcNAc2-PP-Dol alpha-1,2-mannosyltransferase activity [is_a relation] is_a  glycolipid mannosyltransferase activity (GO:0004376)

This term has no children.

EC
2.4.1.131
MetaCyc
2.4.1.131-RXN
RHEA
29523