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3-Phosphoglyceric acid

Names
IUPAC name (2R)-2-Hydroxy-3-phosphonooxypropanoic acid
Identifiers
CAS Number	820-11-1
3D model (JSmol)	Interactive image
ChEBI	CHEBI:17794
ChEMBL	ChEMBL1160563
ChemSpider	388326
PubChem CID	439183
CompTox Dashboard (EPA)	DTXSID601002368
InChI InChI=1S/C3H7O7P/c4-2(3(5)6)1-10-11(7,8)9/h2,4H,1H2,(H,5,6)(H2,7,8,9)/t2-/m1/s1Key: OSJPPGNTCRNQQC-UWTATZPHSA-N
SMILES C((C(=O)O)O)OP(=O)(O)O
Properties
Chemical formula	C3H7O7P
Molar mass	186.06 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). N verify (what is  ?) Infobox references

3-Phosphoglyceric acid (3PG), or glycerate 3-phosphate (GP), is a biochemically significant 3-carbon molecule that is a metabolic intermediate in both glycolysis and the Calvin cycle. This chemical is often termed PGA when referring to the Calvin cycle. 3-Phosphoglycerate is the resultant of the split of 6-carbon intermediate that is so unstable that it splits instantly. And two 3-phosphoglycerate molecules are produced for each molecule of CO₂.

Glycolysis

Template:Biochemical Reaction Compound C00236 at KEGG Pathway Database. Enzyme 2.7.2.3 at KEGG Pathway Database. Compound C00197 at KEGG Pathway Database. Enzyme 5.4.2.1 at KEGG Pathway Database. Compound C00631 at KEGG Pathway Database.

Calvin cycle

In the Calvin cycle, two glycerate 3-phosphate molecules are reduced to form two molecules of glyceraldehyde 3-phosphate (PGAL). This is the first compound formed during the C3 or Calvin cycle. It is a reactive biomolecule that is easily reduced.

Amino acid synthesis

Glycerate 3-phosphate is also a precursor for serine, which, in turn, can create cysteine and glycine through the homocysteine cycle.

See also

• 2-Phosphoglyceric acid

v t e Glycolysis metabolic pathway

Glucose Hexokinase ATP ADP Glucose 6-phosphate Glucose-6-phosphate isomerase Fructose 6-phosphate Phosphofructokinase-1 ATP ADP Fructose 1,6-bisphosphate Fructose-bisphosphate aldolase Dihydroxyacetone phosphate + + Glyceraldehyde 3-phosphate Triosephosphate isomerase 2 × Glyceraldehyde 3-phosphate 2 ×  Glyceraldehyde-3-phosphate dehydrogenase NAD+ Pi NADH + H NAD+ Pi NADH + H 2 × 1,3-Bisphosphoglycerate 2 ×  Phosphoglycerate kinase ADP ATP ADP ATP 2 × 3-Phosphoglycerate 2 ×  Phosphoglycerate mutase 2 × 2-Phosphoglycerate 2 ×  Phosphopyruvate hydratase (enolase)   H2O   H2O 2 × Phosphoenolpyruvate 2 ×  Pyruvate kinase ADP ATP 2 × Pyruvate 2 ×

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• Carboxylate anions
• Organophosphates
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