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Cell. 2004 Aug 6;118(3):281-4.

Regulation of RNA polymerase through the secondary channel.

Author information

1
Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Blg. D-1, Boston, MA 02115, USA.

Abstract

High-resolution crystal structures have highlighted functionally important regions in multisubunit RNA polymerases, including the secondary channel, or pore, which is postulated to allow the diffusion of small molecules both into and out of the active center of the enzyme. Recent work from several groups has illustrated how regulatory factors and small molecules can exploit the secondary channel to gain access to the active site and modify the transcription properties of RNA polymerase.

PMID:
15294154
DOI:
10.1016/j.cell.2004.07.021
[Indexed for MEDLINE]
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