Catalyzes the formation of GDP-mannose, an essential precursor of glycan moieties of glycoproteins and glycolipids. Belongs to the transferase hexapeptide repeat family. 2 alternatively spliced human isoforms have been reported. Note: This description may include information from UniProtKB.
Protein type: Carbohydrate Metabolism - amino sugar and nucleotide sugar; Carbohydrate Metabolism - fructose and mannose; EC 188.8.131.52; Motility/polarity/chemotaxis; Transferase