منابع مشابه
Mechanism of myofibril growth and proliferation in fish muscle.
The mechanisms of myofibril growth proliferation were investigated in the red and white muscles of fish. In both types of muscle the ratio of lattice filament spacings between the Z disk and M line was found to be greater than that required for perfect transformation of a square into a hexagonal lattice. This mismatch was considered to result in the thin filaments being pulled obliquely instead...
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Polysaccharide phosphorylase isolated from Idaho potatoes was the subject of a steady state kinetic study. The initial velocity of the reaction between a-D-glucopyranose l-phosphate (glucose-l-P) and amylopectin, in the absence of orthophosphate, was determined as a function of substrate concentration. A similar study was carried out for the reverse reaction. The result is characteristic of a s...
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Torsins are membrane-associated ATPases whose activity is dependent on two activating cofactors, lamina-associated polypeptide 1 (LAP1) and luminal domain-like LAP1 (LULL1). The mechanism by which these cofactors regulate Torsin activity has so far remained elusive. In this study, we identify a conserved domain in these activators that is predicted to adopt a fold resembling an AAA+ (ATPase ass...
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In this study, the crystallization behavior of a 65GeO2-15PbO-10MgF2-10MgO glass (prepared by the conventional melt quenching technique) has been investigated. The microstructure and crystallization behaviors of this glass were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), non-isothermal differential thermal analysis (DTA) and Fourier transform infrared spectr...
متن کاملKinetic investigations of the mechanism of the rate-determining step of the Na+,K+-ATPase pump cycle.
The kinetics of the E(2) --> E(1) conformational change of unphosphorylated Na(+),K(+)-ATPase from rabbit kidney were investigated via the stopped-flow technique using the fluorescent label RH421 (pH 7.4, 24 degrees C). The enzyme was preequilibrated in a solution containing 25 mM histidine and 0.1 mM EDTA to initially stabilize the E(2) conformation. On mixing enzyme with NaCl alone, tris-ATP ...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 1994
ISSN: 0006-3495
DOI: 10.1016/s0006-3495(94)80945-2