Why does it make sense that AMP is a positive allosteric regulator of PFK-1 enzyme activity, whereas citrate is a negative allosteric regulator of PFK-1, ie., what do these metabolites signal in the cell when their levels are high?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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BIOC 384

Regulation of the Glycolytic Pathway

Q9.3:  Why does it make sense that AMP is a positive allosteric regulator of PFK-1 enzyme activity, whereas citrate is a negative allosteric regulator of PFK-1, ie., what do these metabolites signal in the cell when their levels are high?

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