PEP Carboxykinase Exchange Reaction in Photosynthetic Bacteria
- 1 May 1968
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 43 (5) , 788-792
- https://doi.org/10.1104/pp.43.5.788
Abstract
This paper describes some new characteristics of the phosphoenolpyruvate carboxykinase CO(2)-oxaloacetate exchange reaction in purified preparations of Rhodospirillum rubrum. The enzymatic activity has been purified 169-fold. Nucleotide diphosphates substitute for nucleotide triphosphates in the exchange reaction. Nucleotide diphosphates will not support the synthesis of phosphoenolpyruvate from oxaloacetate. This reaction differs significantly from the CO(2)-oxaloacetate exchange reaction in higher plants and animals.Keywords
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