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.
Promoter region sequences of the upp and codBA operons. The −10 regions are underlined, and asterisks indicate the two transcription start sites at each promoter. The start sites are numbered according to their position downstream from the −10 region.
