Tadakazu Takigami

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Cytochrome b(561) in adrenal chromaffin vesicle membranes conveys electron equivalents from extravesicular ascorbate to the intravesicular monodehydroascorbate radical. We conducted a stopped-flow study on the reaction of ascorbate with purified cytochrome b(561) in the detergent-solubilized state for the first time. The time course of the reduction of(More)
Cytochromes b(561), a novel class of transmembrane electron transport proteins residing in a large variety of eukaryotic cells, have a number of common structural features including six hydrophobic transmembrane alpha-helices and two heme ligation sites. We found that recombinant Zea mays cytochrome b(561) obtained by a heterologous expression system using(More)
Cytochromes <i>b</i> <sub>561</sub> constitute a novel class of transmembrane electron transport proteins present in large variety of eukaryotic cells, with a number of highly relevant common structural features including the six hydrophobic transmembrane alpha-helices and the two heme ligation sites. Of particular interest is the presence of a number of(More)
The purpose of this study was to examine the effect of fibronectin on cell attachment and the growth of cultured cells on the surface of the dentin. In the first experiment, dentin specimens were divided into following three groups: dentin surface polished with carborundum-point, carborundum-point and #150 sandpaper and carborundum-point, #150 sandpaper and(More)
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