Xylosyltransferase are transferase enzymes which act upon xylose and are classified under EC 2.4.2.
[1][2] More specifically, they can refer to: xylosyl transferase is the first enzyme involved in the biosynthesis of glycosaminoglycan chains, an important constituent of proteoglycans.
There are two types of xylosyl transferases type I and type II.
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