label: 3-O-(beta-D-xylosyl)-L-seryl-[protein] + a di-trans,poly-cis-dolichyl phosphate + H(+) => a di-trans,poly-cis-dolichyl D-xylosyl phosphate  + L-seryl-[protein]
label_lc: 3-o-(beta-d-xylosyl)-l-seryl-[protein] + a di-trans,poly-cis-dolichyl phosphate + h(+) => a di-trans,poly-cis-dolichyl d-xylosyl phosphate  + l-seryl-[protein]