MYOSIN

Myosin

Myosins comprise a family of ATP-dependent motor proteins and are best known for their role in muscle contraction and their involvement in a wide range of other eukaryotic motility processes. They are responsible for actin-based motility. The term was originally used to describe a group of similar ATPases found in striated and smooth muscle cells. Following the discovery by Pollard and Korn of enzymes with myosin-like function in Acanthamoeba castellanii, a large number of divergent myosin genes have been discovered throughout eukaryotes. Thus, although myosin was originally thought to be restricted to muscle cells, there is no single "myosin" ...

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myosin

Noun

  1. A large family of motor proteins found in eukaryotic tissues, allowing mobility in muscles.
  1. An albuminous body present in dead muscle formed in the process of coagulation which takes place in rigor mortis.


The above text is a snippet from Wiktionary: myosin
and as such is available under the Creative Commons Attribution/Share-Alike License.

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