In the regulation of glycogen phosphorylase, which of the following statements is true? The inactive T form becomes activated when it gets dephosphorylated. The active R form is inhibited by glucose. Phosphoprotein phosphatase catalyzes the attachment of a phosphate group to a Ser residue in glycogen phosphorylase. The allosteric modulator glucose-6-phosphate promotes the conformation change from inactive T state to active R state.

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter18: Glycolysis
Section: Chapter Questions
Problem 21P
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In the regulation of glycogen phosphorylase, which of
the following statements is true?
The inactive T form becomes activated when it
gets dephosphorylated.
The active R form is inhibited by glucose.
Phosphoprotein phosphatase catalyzes the
attachment of a phosphate group to a Ser residue
in glycogen phosphorylase.
The allosteric modulator glucose-6-phosphate
promotes the conformation change from inactive T
state to active R state.
Transcribed Image Text:In the regulation of glycogen phosphorylase, which of the following statements is true? The inactive T form becomes activated when it gets dephosphorylated. The active R form is inhibited by glucose. Phosphoprotein phosphatase catalyzes the attachment of a phosphate group to a Ser residue in glycogen phosphorylase. The allosteric modulator glucose-6-phosphate promotes the conformation change from inactive T state to active R state.
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