Kinase
Enzymes that modify protein groups by the transfer of a phosphate group
A kinase is an enzyme that phosphorylates proteins and other molecules by transferring phosphate groups from ATP (adenosine triphosphate) to the target molecule. Kinases play a critical role in signal transduction pathways by modulating the activity of specific target proteins, such as transcription factors, cell cycle regulators, and ion channels. These pathways are essential for regulating many important biological processes, including cell growth, differentiation, apoptosis, and metabolism.
There are many different types of kinases, each with specific substrate preferences and regulatory mechanisms. Some examples of the major classes of kinases include receptor tyrosine kinases, serine/threonine kinases, and phosphoinositide 3-kinases. Kinases are also important therapeutic targets for many diseases, including cancer and inflammatory disorders, and there are many drugs that inhibit specific kinases to treat these conditions.
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