This is a family of bacterial and archaeal fructose-1,6-bisphosphatases (FBPases). FBPase catalyses the hydrolysis of D-fructose-1,6-bisphosphate (FBP) to D-fructose-6-phosphate (F6P) and orthophosphate and is an essential regulatory enzyme in the glyconeogenic pathway.

1: The first crystal structure of the novel class of fructose-1,6-bisphosphatase present in thermophilic archaea. Nishimasu H, Fushinobu S, Shoun H, Wakagi T; Structure (Camb) 2004;12:949-959. PMID:15274916