GDP-Man:Man(1)GlcNAc(2)-PP-Dol alpha-1,3-mannosyltransferase activity
gdp-man:man(1)glcnac(2)-pp-dol alpha-1,3-mannosyltransferase activity
GDP-mannose:glycolipid 1,3-alpha-D-mannosyltransferase activity
gdp-mannose:glycolipid 1,3-alpha-d-mannosyltransferase activity