Enrichment of DNA-binding proteins from crude tissue for electrophoretic mobility shift assay using magnetic phospho cellulose particles
نویسندگان
چکیده
منابع مشابه
Electrophoretic Mobility Shift Assay (EMSA).
Transcriptional regulation of gene expression is controlled through the binding of sequence-specific DNA-binding proteins (transcription factors) to the regulatory regions of genes. The exact gene expression program of a cell is determined by the spectrum of transcription factors present with the nucleus of a cell. The presence of these factors is dependent upon the cell type being examined and...
متن کاملDNA mobility shift assay coupled with SDS-PAGE for detection of DNA-binding proteins.
DNA mobility shift assay is widely performed to analyze sequence-specific DNA-binding proteins in cellular extracts (2), and the DNA-binding proteins can be identified by use of antibodies that induce further retardation of probes (supershift). Gel extracts from a shifted band contain not only DNA segments and DNA-binding proteins but also nonspecific proteins located at the same position in th...
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15 صفحه اولElectrophoretic mobility shift scanning using an automated infrared DNA sequencer.
Electrophoretic mobility shift assay (EMSA) is widely used in the study of sequence-specific DNA-binding proteins, including transcription factors and mismatch binding proteins. We have established a non-radioisotope-based protocol for EMSA that features an automated DNA sequencer with an infrared fluorescent dye (IRDye) detection unit. Our modification of the elec- trophoresis unit, which incl...
متن کاملA proteomics approach for the identification of DNA binding activities observed in the electrophoretic mobility shift assay.
Transcription factors lie at the center of gene regulation, and their identification is crucial to the understanding of transcription and gene expression. Traditionally, the isolation and identification of transcription factors has been a long and laborious task. We present here a novel method for the identification of DNA-binding proteins seen in electrophoretic mobility shift assay (EMSA) usi...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1994
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/22.15.3261