UDP-alpha-D-xylose + diphosphate => alpha-D-xylose 1-phosphate + UTP + H(+)
udp-alpha-d-xylose + diphosphate => alpha-d-xylose 1-phosphate + utp + h(+)
UDP-alpha-D-xylose + diphosphate => alpha-D-xylose 1-phosphate + UTP + H(+)
udp-alpha-d-xylose + diphosphate => alpha-d-xylose 1-phosphate + utp + h(+)