Amylopectin degradation in pea chloroplast extracts.

  title={Amylopectin degradation in pea chloroplast extracts.},
  author={C Levi and Jack Preiss},
  journal={Plant physiology},
  volume={61 2},
Phosphorolysis rather than phosphorylation of amylolysis products was found to be the major pathway of sugar phosphate formation from amylopectin by pea (Pisum sativum L.) chloroplast stromal proteins. The K(m) for inorganic phosphate incorporation was 2.5 mm, and ATP did not stimulate amylopectin-dependent phosphate incorporation. Arsenate (10 mm) inhibited phosphate incorporation into glucose monophosphates up to 46% and phosphoglucomutase activity 96%, resulting in glucose 1-phosphate… CONTINUE READING
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