phosphopentose epimerase


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phos·pho·pen·tose e·pim·er·ase

(fos'fō-pen'tōs ĕ-pim'er-ās'),
An enzyme that catalyzes the reversible epimerization of a number of phosphorylated, five-carbon sugars; most notably ribulose 5-phosphate to xylulose 5-phosphate in the pentose phosphate pathway.