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.
Gene map of the chvE-gguABC region of A. tumefaciens A348. The positions of promoters P1 and P2 are indicated. Arrows indicate the direction in which the genes are expressed. The enlarged region shows the 4-nt overlap sequence (uppercase) of start codon of gguB (ATG) and stop codon of gguA (TGA) and the position of gguA deletion primer P4 (underlined sequence).
