preferred_name: 3-O-(beta-D-xylosyl)-L-seryl-[protein] + UDP-alpha-D-galactose <=> 3-O-(beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-seryl-[protein] + UDP + H(+)
preferred_name_lc: 3-o-(beta-d-xylosyl)-l-seryl-[protein] + udp-alpha-d-galactose <=> 3-o-(beta-d-galactosyl-(1->4)-beta-d-xylosyl)-l-seryl-[protein] + udp + h(+)
label: 3-O-(beta-D-xylosyl)-L-seryl-[protein] + UDP-alpha-D-galactose <=> 3-O-(beta-D-galactosyl-(1->4)-beta-D-xylosyl)-L-seryl-[protein] + UDP + H(+)
label_lc: 3-o-(beta-d-xylosyl)-l-seryl-[protein] + udp-alpha-d-galactose <=> 3-o-(beta-d-galactosyl-(1->4)-beta-d-xylosyl)-l-seryl-[protein] + udp + h(+)