Chapter 9, Problem 6Q

Summary Introduction

To review:

Determining the structure of 2-hydroxyglutarate by reviewing the structures of isocitrate and alpha-ketoglutarate.

Introduction:

The citric acid cycle (or Krebs cycle) is a biochemical pathwa, yhich involves a series of enzyme-catalyzed reactions that results in the generation of high-energy compounds. Isocitrate and alpha-ketoglutarate are two of its intermediate products. The normal enzyme, isocitrate dehydrogenase (IDH), converts isocitrate into alpha-ketoglutarate. However, the mutated enzyme IDH1 converts it to 2- hydroxyglutarate. This enzyme is present in high concentration in patients suffering from brain cancer (glioblastoma).