GO:0015578

Catalysis of the transfer of mannose from one side of the membrane to the other. Mannose is the aldohexose manno-hexose, the C-2 epimer of glucose. The D-(+)-form is widely distributed in mannans and hemicelluloses and is of major importance in the core oligosaccharide of N-linked oligosaccharides of glycoproteins. [GOC:ai, GOC:mtg_transport, ISBN:0815340729]