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(+) <=> udp-alpha-d-xylose + diphosphate