Fucosyltransferase 4 is a protein that in humans is encoded by the FUT4 gene.
[1]
Function
The product of this gene transfers fucose to N-acetyllactosamine polysaccharides to generate fucosylated carbohydrate structures. It catalyzes the synthesis of the non-sialylated antigen, Lewis x (CD15). [provided by RefSeq, Jan 2009].
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