Definitions of kinase

  1. an enzyme that catalyzes the conversion of a proenzyme to an active enzyme
  2. A rather large group of enzymes comprising not only those transferring phosphate but also diphosphate, nucleotidyl residues, and others. These have also been subdivided according to the acceptor group. ( From Enzyme Nomenclature, 1992) EC 2. 7.
  3. A colloidal substance formed in certain organs, as the intestine, which activates the enzymes with which it comes in contact.