32332 RPI_AThalassiosira pseudonana
GO:0004751 GO:0009052 -
ribose-5-phosphate isomerase activity
Catalysis of the reaction: D-ribose 5-phosphate = D-ribulose 5-phosphate.
pentose-phosphate shunt, non-oxidative branch
The branch of the pentose-phosphate shunt which does not involve oxidation reactions. It comprises a series of sugar phosphate interconversions, starting with ribulose 5-P and producing fructose 6-P and glyceraldehyde 3-P.