Telokin
Telokin (pronounced: te-lo-kin) is a protein that is encoded by the MYLK gene in humans. It is a smooth muscle light chain kinase (smMLCK) that is expressed in smooth muscle tissues.
Etymology
The term "Telokin" is derived from the Greek words "telos" which means "end" and "kinos" which means "movement". This is in reference to the protein's role in the contraction and relaxation of smooth muscle tissues.
Function
Telokin plays a crucial role in the regulation of muscle contraction and relaxation by phosphorylating the regulatory light chain of myosin. This phosphorylation causes the myosin to interact with actin, leading to muscle contraction. Telokin is unique in that it only phosphorylates the already partially phosphorylated myosin light chains, making it a key player in the regulation of smooth muscle tone.
Related Terms
- MYLK gene: The gene that encodes the Telokin protein.
- Protein: Large biomolecules consisting of one or more long chains of amino acid residues.
- Smooth muscle: A type of muscle tissue which is used by various systems to apply pressure to vessels and organs.
- Muscle contraction: The activation of tension-generating sites within muscle fibers.
- Myosin: A superfamily of motor proteins best known for their roles in muscle contraction.
- Actin: A family of globular multi-functional proteins that form microfilaments.
See Also
External links
- Medical encyclopedia article on Telokin
- Wikipedia's article - Telokin
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