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Essential Structure of E. Coli Promoter: Effect of Spacer Length Between the Two Consensus Sequences on Promoter Function

Overview
Specialty Biochemistry
Date 1983 Sep 10
PMID 6310517
Citations 47
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Abstract

A promoter with the consensus sequence(TTGACA and TATAAT) at -35 and -10 regions was constructed, and the distance between the two consensus sequences was independently altered at two restriction sites. In an in vitro transcription system, a maximum activity was observed at the spacer length of 17 base-pairs regardless of the sites of space adjustment. Evidence was also provided that the start point of transcription was fixed by the consensus sequence at the -10 region.

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