ID 2.4.1.270 DE mannosylglucosyl-3-phosphoglycerate synthase. CA (2R)-2-O-(alpha-D-glucopyranosyl)-3-phospho-glycerate + GDP-alpha-D- CA mannose = (2R)-2-O-[alpha-D-mannopyranosyl-(1->2)-alpha-D- CA glucopyranosyl]-3-phospho-glycerate + GDP + H(+). CC -!- The enzyme is involved in synthesis of 2-[2-O-(alpha-D- CC mannopranosyl)-alpha-D-glucopyranosyl]-D-glycerate. CC -!- Petrotoga miotherma and Petrotoga mobilis accumulate this compound in CC response to water stress imposed by salt. DR A9BHJ0, MGGA_PETMO ; //