Human α-N-Acetylneuraminide α-2,8-Sialyltransferase Protein is a recombinant protein from Human produced in Human Cells. Recombinant Human alpha-N-Acetylneuraminide alpha-2,8-Sialyltransferase is produced by our Mammalian expression system and the target gene encoding Tyr49-Ser356 is expressed with a 6His tag at the C-terminus.