<small>D</small>-glycero-ñ-<small>D</small>-manno-heptose 1,7-bisphosphate 7-phosphatase (EC 3.1.3.83) is an enzyme with systematic name <small>D</small>-glycero-ñ-<small>D</small>-manno-heptose 1,7-bisphosphate 7-phosphohydrolase. This enzyme catalyses the following chemical reaction
The enzyme is involved in biosynthesis of GDP-<small>D</small>-glycero-ñ-<small>D</small>-manno-heptose.