Tags: Enzyme.
In enzymology a L-ribulose-5-phosphate 4-epimerase (EC 5.1.3.4) is an enzyme that catalyzes the interconversion of Ribulose 5-phosphate and Xylulose 5-phosphate in the oxidative phase of the Pentose phosphate pathway.L-ribulose 5-phosphate D-xylulose 5-phosphateThis enzyme has a molecular mass of 102 kDa and is believed to be composed of four identical 25.5 kDa subunits.