a globulin that is present in muscle plasma and that in connection with myosin plays an important role in muscle contraction.
actin | Define actin at Dictionary.com
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Actin is a family of globular multi-functional proteins that form microfilaments. It is
found in essentially all eukaryotic cells where it may be present at a ...
Actin filaments, usually in association with myosin, are responsible for many
types of cell movements. Myosin is the prototype of a molecular motor—a protein
Actin is the most abundant protein in most eukaryotic cells. It is highly conserved
and participates in more protein-protein interactions than any known protein.
Dec 14, 2016 ... Actin is a protein that allows cells to move and function. Without the tiny actin
filaments, a cell would be unable to...
Actin monomer, depicted above left in two display modes, has subdomains
designated 1-4. A simplified cartoon is above right. ATP binds, along with Mg<sup>++</sup>,
Actin filaments (F-actin) are linear polymers of globular actin (G-actin) subunits
and occur as microfilaments in the cytoskeleton and as thin filaments, which are ...
The difference between myosin and actin is that, where myosin uses cellular
energy to move along the actin, the actin is the passive partner in the process.
Muscles contract through the action of two proteins called actin and myosin. In
this lesson, you'll learn how actin and myosin filaments, in...