THE ELECTRON TRANSPORT SYSTEM IN NITROGEN FIXATION BY Azotobacter. II. ISOLATION AND FUNCTION OF A NEW TYPE OF FERREDOXIN*

  1. D. C. Yoch,
  2. J. R. Benemann,
  3. R. C. Valentine, and
  4. Daniel I. Arnon
  1. DEPARTMENT OF CELL PHYSIOLOGY, UNIVERSITY OF CALIFORNIA, BERKELEY
  2. DEPARTMENT OF BIOCHEMISTRY, UNIVERSITY OF CALIFORNIA, BERKELEY

Abstract

A new type of ferredoxin was isolated from Azotobacter vinelandii cells. The protein was able to replace the native chloroplast ferredoxin in the photoreduction of nicotinamide adenine dinucleotide phosphate (NADP) and functioned as a reductant for the Azotobacter nitrogenase.

Footnotes

  • ↵ * This investigation was aided by grants to D. I. Arnon and R. C. Valentine from the National Science Foundation.

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  1. PNAS December 1, 1969 vol. 64 no. 4 1404-1410
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