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Nuclear Genes Encoding the Small Subunit of Ribulose-1,5-Bisphosphate Carboxylase

  • A. R. Cashmore
Part of the Basic Life Sciences book series (BLSC, volume 26)

Abstract

Ribulose-1,5-bisphosphate (RuBP) carboxylase is the major stromal protein in chloroplasts from C3 plants. It performs the first step in the Calvin cycle and is composed of 8 large subunits and 8 small subunits. The large subunits, of 53,000 daltons, are encoded by chloroplast DNA and the small subunits, of 14,000 daltons, are encoded by nuclear DNA (1,2). The small subunit is synthesized as a 20,000 dalton precursor, on free cytoplasmic ribosomes (3–6). This precursor functions in the post-translational transport of the small subunit from the site of synthesis into chloroplasts (5,6).

Keywords

Small Subunit Bisphosphate Carboxylase Transit Sequence RuBP Carboxylase Small Subunit Gene 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • A. R. Cashmore
    • 1
  1. 1.Department of Cell BiologyRockefeller UniversityNew YorkUSA

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