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.
Mutagenesis of the bldD promoter region. The promoter region of the wild-type bldD gene is shown, together with portions of the fragments containing mutations within this region. MAE46-4 possesses a perfect direct repeat, and MAE47-4 has a perfect inverted repeat. The mutagenized bases are indicated in bold type.
