kinase
nounAny of various enzymes that catalyze the transfer of a phosphate group from a donor, such as ADP or ATP, to an acceptor.
nounA ferment-like body which is capable of rendering physiologically active another ferment and thus produces chemical changes in a third body while in itself it is apparently inert.
nounOne of a class of enzymes that catalyze transfer of a phosphate group from ATP to another molecule; it is a type of phosphorylase.
nounAny of a group of
an enzyme that catalyzes the conversion of a proenzyme to an active enzyme