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Medical Definition of Phosphoglyceric acid
1. 1. HOCH2-CH(OH)CO-OPO3H2; glyceroyl phosphoric acid; glyceroyl phosphate;an acid anhydride between glyceric acid and phosphoric acid. 2. HOCH2-CH(OPO3H2) COOH; 2-phosphoglyceric acid;the deprotonated form, 2-phosphoglycerate, is an intermediate in glycolysis. 3. H2O3POCH2-CH (OH)COOH; 3-phosphoglyceric acid;the deprotonated form, 3-phosphoglycerate, is an intermediate in glycolysis. (05 Mar 2000)