Chemical Characterization of the Phosphoprotein Phosvitin
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mesuring the staff technology readiness, the case of a multi national chemical company operating in iran
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15 صفحه اولChemical Characterization and Pronase Susceptibility of the Na:K Pump-Associated Phosphoprotein of Human Red Blood Cells
The phosphoproteins formed by incubation of red cell ghosts with [gamma-(32)P]ATP in the presence of Mg and Na + Mg have been characterized by sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis. The (32)P-labeled phosphoprotein was seen as a single peak confined to the region of the diffuse 90,000 dalton polypeptide band; labeling with Na + Mg considerably increased the quantity of...
متن کاملChromatographic fractionation of phosvitin.
The presence of phosphorus-containing protein in the yolk of the hen egg was already recognized in 1900 (1). Since then, the egg yolk phosphoproteins received attention in several laboratories (cf. (2)). The first detailed study of the most highly phosphorylated fraction of yolk phosphoprotein, phosvitin, was reported by Mecham and Olcott (3) in 1949. They isolated a product containing 10% phos...
متن کاملThe immunological and serological properties of phosvitin.
In view of the pronounced influence of polar groups in the molecule in determining the specificity of protein antigens, it might be expected that the phosphate groups in natural and artificial phosphoproteins would be largely responsible for the immunological specificity ofthese proteins. Investigation of their serological properties might therefore yield useful information about the structure,...
متن کاملImmunochemical analysis of chick phosvitin.
Phosvitin is a yolk phosphoglycoprotein bound to lipoproteins within the yolk granules. Its absorption and utilization during chick embryogenesis is still unclear. The presence of phosvitin was investigated by immunodiffusion techniques in the watersoluble fraction (WSF) of the yolk during oocyte maturation and chick development and in the embryonic fluids. The immunochemical analysis showed th...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1965
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)97126-7