Activation of the plastid isozyme of phosphofructokinase from developing endosperm of Ricinuscommunis by fructose 2,6-bisphosphate☆
作者： Jan A. Miernyk , David T. Dennis
DOI: 10.1016/0006-291X(82)91039-7
关键词: Phosphofructokinases 、 Fructose 1,6-bisphosphatase 、 Phosphofructokinase 、 Molecular biology 、 Fructose 、 Endosperm 、 Biology 、 Biochemistry 、 Phosphoenolpyruvate carboxykinase 、 Fructose 2,6-bisphosphate 、 Isozyme
摘要: Abstract The plastid isozyme of phosphofructokinase from developing castor oil seeds is stimulated by low concentrations fructose 2,6-bisphosphate when assayed at pH 7.0. stimulation involves a shift in 6-phosphate kinetics sigmoidal to near hyperbolic. unaffected 8.0, and the cytosolic either 7.0 or 8.0. There no interaction between other regulators Ricinus phosphofructokinases; phosphoenolpyruvate, 2-phosphoglycerate, 3-phosphoglycerate inorganic phosphate.
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