ID 2.4.2.26 DE protein xylosyltransferase. AN UDP-xylose-core protein beta-D-xylosyltransferase. AN uridine diphosphoxylose-core protein beta-xylosyltransferase. AN uridine diphosphoxylose-protein xylosyltransferase. CA L-seryl-[protein] + UDP-alpha-D-xylose = 3-O-(beta-D-xylosyl)-L-seryl- CA [protein] + H(+) + UDP. CC -!- Involved in the biosynthesis of the linkage region of CC glycosaminoglycan chains as part of proteoglycan biosynthesis CC (chondroitin, dermatan and heparan sulfates). DR Q5QQ56, XYLT1_CANLF; Q86Y38, XYLT1_HUMAN; Q811B1, XYLT1_MOUSE; DR Q5QQ57, XYLT1_PANTR; Q9EPI1, XYLT1_RAT ; Q5QQ49, XYLT2_BOVIN; DR Q5QQ50, XYLT2_CANLF; Q9H1B5, XYLT2_HUMAN; Q9EPL0, XYLT2_MOUSE; DR Q5QQ51, XYLT2_PANTR; Q9EPI0, XYLT2_RAT ; Q5QQ52, XYLT_CAEBR ; DR Q965Q8, XYLT_CAEEL ; Q5QQ55, XYLT_CIOIN ; Q5QQ54, XYLT_CIOSA ; DR Q7KVA1, XYLT_DROME ; Q5QQ53, XYLT_DROPS ; //