Main Reaction: Isocitric acid >> α-Ketoglutaric acid

Reference: PubMed ID: 15845409
Authors: Chikaraishi Y, Matsumoto K, Ogawa NO, Suga H, Kitazato H, Ohkouchi N
Title: Hydrogen, carbon and nitrogen isotopic fractionations during chlorophyll biosynthesis in C3 higher plants.
Published: 2005 Apr

Isocitric acid --> α-Ketoglutaric acid