ID 2.4.2.33 DE dolichyl-xylosyl-phosphate--protein xylosyltransferase. CA a di-trans,poly-cis-dolichyl D-xylosyl phosphate + L-seryl-[protein] = CA 3-O-(beta-D-xylosyl)-L-seryl-[protein] + a di-trans,poly-cis-dolichyl CA phosphate + H(+). //