myosin - the commonest protein in muscle; a globulin that combines with actin to form actomyosin. actomyosin - a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions. globulin - a family of proteins found in blood and milk and muscle and in plant seed.
http://www.thefreedictionary.com/myosin
Omecamtiv mecarbil is the first of a new class of drugs, called myosin activators, targeting proteins that make the heart contract. A NEW drug which helps [...] Setting the gel at 65 C led to the lowest gel strength among the samples, because of the proteolytic degradation of some myosin proteins.
http://www.thefreedictionary.com/myosin
Within each myofibril are filaments of the proteins myosin and actin; these filaments slide past one another as the muscle contracts and expands. On each myofibril, regularly occurring dark bands, called Z lines, can be seen where actin and myosin filaments overlap.
https://www.britannica.com/science/myosin
The globular polypeptide has an ATP-binding site on one side of the protein. When actin polymerizies, this binding site marks the (-) end or ponted endd of the polymer; the opposite end is reffered to as the (+) end or barbed end.
https://quizlet.com/7086677/bc-ch-7-myosin-actin-and-antibodies-flash-cards/
Omecamtiv mecarbil is the first of a new class of drugs, called myosin activators, targeting proteins that make the heart contract. Setting the gel at 65 C led to the lowest gel strength among the samples, because of the proteolytic degradation of some myosin proteins.
http://www.thefreedictionary.com/myosin
Incr energy conforamtion aproximately perpendicular to thick filament. 3. Weak binding of myosin head to actin. Is now closer to the Z disc than the one previously bound to it. 4. Pi release resulting in strong binding of mysoin head to actin.
https://quizlet.com/7086677/bc-ch-7-myosin-actin-and-antibodies-flash-cards/
The mechanical function arising from sarcomeres is produced by specific contractile proteins known as actin and myosin (or thin and thick filaments, respectively). The sarcomere, found between two Z lines (or Z discs) in a muscle fibre, contains two populations of actin filaments that project from opposite Z...
https://www.britannica.com/science/myosin
Nerve impulses induece the release of Ca2+ form intracellular stores. THis Ca2+ binds to troponin and cuases a conformational change that exposes additional myosin binding sites on the thin filament. At lower Ca2+ concentarations, the myosin head is blocked form binding actin and the muslce is releaxed.
https://quizlet.com/7086677/bc-ch-7-myosin-actin-and-antibodies-flash-cards/
When ATP binds to the myosin head, myosin dissociates from the actin filament. 2. Subsequent ATP hydrolysis cockes that head of myuosin and allows it to rebind wealy to actin. 3. THe release of inorganic phosphate increases the strength of binding and cuases the head of mysoin to snap back in the power stroke.
https://quizlet.com/7086677/bc-ch-7-myosin-actin-and-antibodies-flash-cards/
The fundamental assumptions of this model were that the balance of forces is not only parallel but also perpendicular to the long axis of sarcomeres ( myofibrils ) , taking into account the balance of viscoelastic forces originating from the filament lattice and crossbridges ( actin-bound myosin heads ) ; the probability of crossbridge formation is ...
http://www.thefreedictionary.com/myosin
what is myosin
Myosin is the commonest protein in muscle. A globulin that combines with actin to form actomyosin.   A Myosin is the commonest protein in muscle and also a globulin that combines with actin to form Actomyosin.