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GO:0004377: GDP-Man:Man3GlcNAc2-PP-Dol alpha-1,2-mannosyltransferase activity (Molecular function)

"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." [EC:2.4.1.131]


There are 101 sequences with this label.

Enriched clusters
Name Species % in cluster p-value corrected p-value action
Sequences (101) (download table)

InterPro Domains

GO Terms

Family Terms