Biochemistry

Learn the toughest concepts covered in Biochemistry with step-by-step video tutorials and practice problems by world-class tutors

7. Enzyme Inhibition and Regulation

Phosphorylation

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concept

Phosphorylation

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Phosphorylation

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Problem

During kinase phosphorylation, which phosphate group is removed from ATP in the figure below?

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Phosphorylation

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Problem

Covalent modification of an enzyme usually involves phosphorylation / dephosphorylation of:

6
Problem

When the active site of an enzyme is phosphorylated on one of its catalytic amino acid residues, the overall _______________ charge of phosphate groups would _____________ the affinity for a polar, negatively charged substrate.