This product is comprised of an anti-FUT4 IgM antibody (Fanolesomab) labeled with Fluoresein. Fluoresein is a fluorescent dye and it's excitation/emission is 490/525 nm.
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).