PEP Carboxykinase Exchange Reaction in Photosynthetic Bacteria | Zendy

Terrance Cooper | Zendy; C. R. Benedict | Zendy

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PEP Carboxykinase Exchange Reaction in Photosynthetic Bacteria

Author(s) -

Terrance Cooper,

C. R. Benedict

Publication year - 1968

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.43.5.788

Subject(s) - phosphoenolpyruvate carboxykinase , rhodospirillum rubrum , citrate synthase , biochemistry , nucleotide , phosphoenolpyruvate carboxylase , chemistry , bacteria , enzyme , redox , bioorganic chemistry , biology , organic chemistry , genetics , gene

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.

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