STUDIES OF NUCLEAR RESIDUAL PROTEINS

被引:28
作者
PATEL, G
PATEL, V
WANG, TY
ZOBEL, CR
机构
[1] Department of Zoology, University of Georgia, Athens
[2] Department of Biology and Biophysics, State University of New York, Buffalo
关键词
D O I
10.1016/0003-9861(68)90075-1
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The nuclear residual proteins of rat liver have been prepared by solubilization with sodium deoxycholate and Sephadex gel filtration. These proteins were examined by analytical ultracentrifugation, DEAE-cellulose chromatography, starch gel electrophoresis, amino acid composition, and alkali-labile phosphorus analysis. The results show that these proteins are heterogeneous, having a high glutamic acid content, and contain phosphoprotein. Partial fractionation was achieved by DEAE-cellulose chromatography and starch gel electrophoresis. Some of these proteins appeared as spheroidal particles with diameters of 100-400 Å. In the presence of sodium deoxycholate, the particles dissociated into smaller units that reassociated upon removal of the detergent. © 1968.
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页码:654 / &
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