Definition of kinase in English:

kinase

noun

Biochemistry
  • [usually with modifier] An enzyme that catalyses the transfer of a phosphate group from ATP to a specified molecule.

    • ‘Protein kinases are enzymes that participate in signal transduction processes and, thus, in the control of cell growth.’
    • ‘In general, protein kinases are enzymes that phosphorylate proteins, which then become activated.’
    • ‘The consequence of these mutations is a cascade phosphorylation of certain serine/threonine protein kinases.’
    • ‘Protein kinases turn on other enzymes by a chemical reaction called phosphorylation that adds phosphate tags to proteins.’
    • ‘Protein tyrosine kinases play fundamental roles in signal transduction pathways.’

Origin

Early 20th century: from Greek kinein to move + -ase.

Pronunciation:

kinase

/ˈkʌɪneɪz/