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RNA polymerase--promoter recognition. Specific features of electrostatic potential of "early" T4 phage DNA promoters



RNA polymerase--promoter recognition. Specific features of electrostatic potential of "early" T4 phage DNA promoters



Journal of Biomolecular Structure and Dynamics 18(3): 325-334



Comparative analysis of electrostatic potential distribution for "early" T4 phage promoters was undertaken, along with calculation of topography of electrostatic potential around the native and ADP-ribosylated C-terminal domain of RNA polymerase alpha-subunit. The data obtained indicate that there is specific difference in the patterns of electrostatic potential distribution in far upstream regions of T4 promoters differing by their response to ADP-ribosylation of RNA polymerase. A specific change in profiles of electrostatic potential distribution for the native and ADP-ribosylated forms of RNA polymerase alpha-subunit was observed suggesting that this factor may be responsible for modulating T4 promoter activities in response to the enzyme modification.

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Accession: 012477844

Download citation: RISBibTeXText

PMID: 11149509

DOI: 10.1080/07391102.2000.10506669


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