Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
In vitro transcription of the P1 promoter containing 2-AP at various positions are indicated in the figure in the absence (−) or presence (+) of CRP. pSA852, supercoiled DNA template containing no 2-AP; WT, DNA containing no 2-AP; arrows, P1 and P3 transcripts.
