preferred_name: [(1->4)-beta-D-xylan](n+1) + UDP + H(+) => [(1->4)-beta-D-xylan](n) + UDP-alpha-D-xylose
preferred_name_lc: [(1->4)-beta-d-xylan](n+1) + udp + h(+) => [(1->4)-beta-d-xylan](n) + udp-alpha-d-xylose
label: [(1->4)-beta-D-xylan](n+1) + UDP + H(+) => [(1->4)-beta-D-xylan](n) + UDP-alpha-D-xylose
label_lc: [(1->4)-beta-d-xylan](n+1) + udp + h(+) => [(1->4)-beta-d-xylan](n) + udp-alpha-d-xylose