Mannosyltransferase%2C involved in N-linked glycosylation%3B catalyzes the transfer of both the seventh mannose residue on B-arm and ninth mannose residue on the C-arm from Dol-P-Man to lipid-linked oligosaccharides%3B human homolog ALG9 can complement yeast null mutant%3B mutation of human homolog causes type 1 congenital disorders of glycosylation
