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  1. Kinase - Wikipedia

    The kinases include phosphoinositide 3-kinase (PI3K), phosphatidylinositol-4-phosphate 3-kinase, and phosphatidylinositol-4,5-bisphosphate 3-kinase.

  2. Kinase | Definition, Biology, & Function | Britannica

    Kinase, an enzyme that adds phosphate groups to other molecules. A large number of kinases exist, the human genome alone containing hundreds of kinase-encoding genes.

  3. What Are Protein Kinases and Why Do They Matter?

    Apr 29, 2025 · The core structure of a kinase consists of a conserved catalytic domain, which facilitates ATP binding and phosphate transfer, and regulatory regions that modulate activity. While the …

  4. An Introduction to Kinases - The Daily Scientist

    Dec 1, 2023 · What is a Kinase and How Does it Work in the Cell Kinases are enzymes that help regulate cells of all living organisms by controlling signal transduction pathways. In essence, they act …

  5. Kinase Definition - AP Biology Key Term | Fiveable

    A kinase is an enzyme that plays a crucial role in cell signaling pathways by adding a phosphate group to other molecules, typically proteins. This process, known as phosphorylation, can activate or …

  6. Kinases - Latest research and news | Nature

    Dec 11, 2025 · Here the authors identify that Casein kinase 2 (CK2) mediates phosphorylation of Proteasome activator 28 subunit gamma (PA28γ), which promotes tumor formation and progression …

  7. kinase - Wiktionary, the free dictionary

    Dec 29, 2025 · kinase (plural kinases) (biochemistry, organic chemistry) Any of a group of enzymes that transfer phosphate groups from high-energy donor molecules, such as ATP, to specific target …

  8. Kinase - an overview | ScienceDirect Topics

    A kinase is defined as an enzyme that catalyzes the transfer of the γ-phosphate group from ATP to a substrate, playing a critical role in mediating signal transduction and regulating various cellular …

  9. Definition of kinase - NCI Dictionary of Cancer Terms

    kinase (KY-nays) A type of enzyme (a protein that speeds up chemical reactions in the body) that adds chemicals called phosphates to other molecules, such as sugars or proteins. This may cause other …

  10. An Overview of Protein Kinases: Definition & Functions - Excedr

    Mar 3, 2022 · Kinase are among the most important family of enzymes as they are essential in the functioning of our biological system. They are useful in many domains of biochemical study of …