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myosin

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myosin
myosin Chem. (ˈmaɪəsɪn) Also -ine. [f. Gr. µῦ-ς muscle + -ose2 + -in1.] The chief ingredient of the clot formed on coagulation of muscle-plasma. vegetable myosin or myosin-globulin is found, with vitellin, in maize, oats, peas, etc.1869 E. A. Parkes Pract. Hygiene (ed. 3) 158 The nitrogenous aliment... Oxford English Dictionary
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Myosin
Myosin III Myosin III is a poorly understood member of the myosin family. Myosin XII Myosin XIII Myosin XIV This myosin group has been found in the Apicomplexa phylum. wikipedia.org
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Myosin-11
Myosin-11 is a protein that in humans is encoded by the MYH11 gene. Function Myosin-11 is a smooth muscle myosin belonging to the myosin heavy chain family. wikipedia.org
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Under what category should myosin come? Are myosin microfilaments or intermediate filaments? Or are they simply motor proteins? Under which category should I put them? I am highly confused.
Myosin are motor proteins. Microfilaments (AKA actin filaments) are the tracks for Myosin. Myosin walk along these filaments. In myocytes (muscle cells), myosin pulls actin filaments towards one another. !
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Myosin-2
Myosin-2 (myosin heavy chain 2) is a protein that in humans is encoded by the MYH2 gene. References Further reading wikipedia.org
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What is the mechanism that directs myosin walking? Myosin, dynein and kinase all "walk" towards specific ends of the microtubule or actin filament they are on. I'm most familiar with the walking mechanism for myosin, ...
Most myosins move towards the plus end of actin, but myosin VI moves towards the minus end. And for your entertainment, an awesome movie of myosin V walking by Kodera et al, 2010 on YouTube.
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Myosin-IIIa
Myosin-IIIa is a protein that in humans is encoded by the MYO3A gene. The protein encoded by this gene belongs to the myosin superfamily. wikipedia.org
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Double use of ATP in relaxing myosin & active transportation of calcium? Is the ATP molecule which is bound to the myosin head for relaxation of the muscle (i.e., to break the cross bridge) also utilized for active tr...
Molecular motors (such as myosin and kinesin) also couple ATP hydrolysis with movement. during the contraction phase from the sarcoplasmic reticulum (SR); pumping back the calcium to the SR happens during the repolarization (there is no myosin
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Myosin head
The myosin head is the part of the thick myofilament made up of myosin that acts in muscle contraction, by sliding over thin myofilaments of actin. Myosin is the major component of the thick filaments and most myosin molecules are composed of a head, neck, and tail domain; the myosin head binds to wikipedia.org
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Myosin light chain
A myosin light chain is a light chain (small polypeptide subunit) of myosin. See also Myosin light-chain kinase Myosin-light-chain phosphatase References Motor proteins wikipedia.org
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Myosin: Formation and maintenance of thick filaments - PMC
Myosin in the thick filament is replaced by de novo synthesized and cytosolic myosin. In myosin exchange, the myosin released from the thick filament is retained in the myocytosol as recycled myosin, ready to be incorporated into the thick filament. Myosin shuttles between the thick filament and the myocytosol.
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Question on thick filaments ![]( In this photo, I know that the arrows pointing towards the M-line of sarcomere on actin filaments are due to the power strokes of myosin heads. However, what I don't understand are th...
The filament withstands all that force because the attractive force between its constituents is far more than the force generated by myosin actin cycle
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Myosin light-chain kinase
Myosin light-chain kinase also known as MYLK or MLCK is a serine/threonine-specific protein kinase that phosphorylates a specific myosin light chain, namely, the regulatory light chain of myosin II. wikipedia.org
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Cardiac Myosin Binding Protein C | Circulation Research - AHA/ASA Journals
Abstract. Myosin binding protein-C (MyBP-C) is a thick filament-associated protein localized to the crossbridge-containing C zones of striated muscle sarcomeres. The cardiac isoform is composed of eight immunoglobulin I-like domains and three fibronectin 3-like domains and is known to be a physiological substrate of cAMP-dependent protein ...
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How does the muscle return to its resting state after muscle contraction? I know that when ADP binds to the myosin head, it moves along and as it does so, it releases the ADP. The ATP attaches to the myosin head and r...
Myosin heads still bind to actin, but actin cannot slide wrt myosin filament, and only a local deformation is possible under this tension increment. But myosin heads don't stay bound for ever, and when one detaches, this tension increment is lost locally (there'll be heat produced, dissipating this
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