Members of this family are mannosyl-3-phosphoglycerate phosphatase (EC 3.1.3.70). It acts sequentially after mannosyl-3-phosphoglycerate synthase (EC 2.4.1.217) in a two-step pathway of biosynthesis of the compatible solute mannosylglycerate, a typical osmolyte of thermophiles.
Jiyao W et al.(2023). "The conserved domain database in 2023.",