Definitions for kinaseˈkaɪ neɪs, -neɪz, ˈkɪn eɪs, -eɪz
Random House Webster's College Dictionary
ki•naseˈkaɪ neɪs, -neɪz, ˈkɪn eɪs, -eɪz(n.)
an enzyme that effects the transfer of a phosphate group from ATP to another molecule.
Origin of kinase:
1900–05; kin (etic ) + -ase
an enzyme that catalyzes the conversion of a proenzyme to an active enzyme
Any of a group of enzymes that transfers phosphate groups from high-energy donor molecules, such as ATP, to specific target molecules (substrates); the process is termed phosphorylation.
Origin: From κινέω + -ase, a suffix forming enzyme names.