Electronic Resource
Springer
Molecular biology reports
3 (1976), S. 113-119
ISSN:
1573-4978
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Analysis of proteins in nucleoli and chromatin of mouse ascites tumor cells labeled with [32P]orthophosphate by SDS-polyacrylamide gel electrophoresis showed that a highly radioactive protein was localized in the nucleoli. This protein was purified and the final preparation appeared as a single component on hydroxylapatite column chromatography with or without SDS. This protein was found to be a nucleolus-specific phosphoprotein with a molecular weight of 120 000. The phosphate moiety in this protein turned over very rapidly whereas the protein itself was stable. When the nucleoli were disrupted by EDTA treatment, this unique protein was found as a major protein constituent of the ultracentrifugal supernatant.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00423224
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