D-glycero-beta-D-manno-heptose 1-phosphate + UTP + H(+) => UDP-D-glycero-beta-D-manno-heptose + diphosphate
d-glycero-beta-d-manno-heptose 1-phosphate + utp + h(+) => udp-d-glycero-beta-d-manno-heptose + diphosphate