[phosphate](n) + (2R)-3-phospho-glyceroyl phosphate = [phosphate](n+1) + (2R)-3-phosphoglycerate
[phosphate](n) + (2r)-3-phospho-glyceroyl phosphate = [phosphate](n+1) + (2r)-3-phosphoglycerate
"3-phosphoglyceroyl-phosphate--polyphosphate phosphotransferase"
"3-phosphoglyceroyl-phosphate--polyphosphate phosphotransferase"