Bookcover of Structural Arrangement of Myosin
Booktitle:

Structural Arrangement of Myosin

Evidence for Cross-Bridge Arrangement in Vertebrate Striated Muscle

LAP LAMBERT Academic Publishing (2016-05-17 )

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ISBN-13:

978-3-659-89096-3

ISBN-10:
3659890960
EAN:
9783659890963
Book language:
English
Blurb/Shorttext:
The general structure of the myosin filament has been known since the classical x-ray diffraction studies of Huxley and Brown (1963). However, one of the crucial features, namely, the filament ordering or the number of myosin cross-bridges per 143 Å repeat, has been controversial throughout (Squire, 1981). Analysis of myofibrillar proteins by means of one-dimensional sodium dodecyl sulfate polyacrylamide gels has yielded conflicting results. This author reinvestigated the myosin to actin stoichiometry from one-dimensional gels of myofibrils prepared by different procedures. Next, this author addressed the critical issue of whether the differences in actin concentration during the different methods of muscle preparation were a result from loss of actin or removal of contaminants that comigrate with actin. In examining this question, two-dimensional electrophoresis, sodium dodecyl sulfate in the first dimension and isoelectric focusing in the second dimension were performed on myofibrillar preparations of rabbit muscle. Results revealed a structural arrangement of myosin cross-bridges in vertebrate striated muscle.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Pat Precin
Number of pages:
80
Published at:
2016-05-17
Stock:
Available
Category:
Biochemistry, biophysics
Price:
23.90 €
Keywords:
actin, Biophysics, stoichiometry, two-dimensional gel electrophoresis, myofibrils, actin-to-myosin ratio, isoelectric focusing

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