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The polypeptides of rat liver mitochondria: Identification of a 36,000 dalton polypeptide as the subunit of ornithine transcarbamylase

Authors
Journal
Biochemical and Biophysical Research Communications
0006-291X
Publisher
Elsevier
Publication Date
Volume
71
Issue
4
Identifiers
DOI: 10.1016/0006-291x(76)90769-5
Disciplines
  • Biology
  • Design

Abstract

Abstract One of the major polypeptide bands seen after rat liver mitochondria are subjected to dodecyl sulfate gel electrophoresis is a component with a mass of 36,000 daltons that makes up 3 to 4% of the total mitochondrial protein. This band, designated Va (1), purifies with an enzyme of the urea cycle, ornithine transcarbamylase (E.C. 2.1.3.3). Evidence is presented that the band Va polypeptide is a single molecular species corresponding to the polypeptide chain of this enzyme.

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