Article
Quantitative analysis of the ternary complex of RNA polymerase, cyclic AMP receptor protein and DNA by fluorescence anisotropy measurements.
Acta biochimica Polonica - 1 Jan 2008
Bonarek Piotr, Kedracka-Krok Sylwia, Kepys Barbara, Wasylewski Zygmunt
Abstract excerpt
The in vitro formation of transcription complexes with Escherichia coli RNA polymerase was monitored using fluorescence anisotropy measurements of labeled fragments of DNA. The multicomponent system consisted of holo or core RNA polymerase (RNAP) and lac or gal promoter fragments of DNA (in different configurations), in the presence or absence of CRP activator protein (wt or mutants) with its ligand, cAMP. Values...
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