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. 1983 Nov;73(3):853–854. doi: 10.1104/pp.73.3.853

Pyruvate Orthophosphate Dikinase in Wheat Leaves 1

Kazuko Aoyagi 1,2, James A Bassham 1,2
PMCID: PMC1066560  PMID: 16663312

Abstract

Pyruvate orthophosphate dikinase (PPDK) was found in wheat (Triticum aestivum L. cv Cheyenne [CI 8885]) leaves both by activity assays and by the protein blot method. The specific activity of the wheat enzyme is comparable to that of PPDK from maize leaves. Of the total soluble protein in wheat leaves, about 0.05% was PPDK, comparable to the amount in the immature wheat seed and about 1/70th the amount found in mesophyll cells of maize. Immunoprecipitation of wheat PPDK with maize enzyme antiserum indicates partial identity, and the apparent subunit molecular weight is the same based on sodium dodecyl sulfate-polyacrylamide gel electrophoresis.

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Selected References

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