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Phosphorylation

Metabolic process of adding a phosphate group to an organic molecule.

Covalent addition of a phosphate (commonly from ATP) by kinases. Regulates enzyme activity, signal transduction, and substrate trapping (e.g., hexokinase phosphorylating glucose).

How one textbook covers it

  • Advanced Nutrition and Human Metabolism, 8th ed. (Gropper) — Glossary

    Covalent addition of a phosphate (commonly from ATP) by kinases. Regulates enzyme activity, signal transduction, and substrate trapping (e.g., hexokinase phosphorylating glucose).

Related terms

Oxidative phosphorylation, Protein kinases, Substrate-level phosphorylation