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.
AbrB footprint on the yxaAB promoter. The results were obtained when the template strand was labeled at its 3′ end. Lanes: 1, 25 μM AbrB; 2, 8 μM AbrB; 3, 2.5 μM AbrB; 4 and 5: no AbrB. Maxam-Gilbert purine (R) and pyrimidine (Y) sequencing ladders are shown for reference.
