AMP、ADP:细胞能荷匮乏的“指示剂

F-2,6-BP是PFK-1最重要的别构激活剂:

F-2,6-BP不是6-磷酸果糖激酶1的产物,而是6-磷酸果糖激酶-1最强烈的激活剂、最重要的调节因素

F-2,6-BP的生成是以6-磷酸果糖为底物在6-磷酸果糖激酶2(6-phosphofructokinase2,PFK2)催化下产生。

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增加酶与底物的亲和力,降低ATP的抑制效应

F-2,6-BP的形成和分解

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PFK-2和FBPase-2处于同一条肽链上,其活性受磷酸化和去磷酸化调控。

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PFK-2: Phosphofructokinase-2 磷酸果糖激酶-2

FBPase-2: Fructose bisphosphatase 2, Fructose 2,6-bisphosphatase 果糖二磷酸酶-2;二磷酸果糖磷酸酶-2

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