Figure 4.
The cis-acting elements of the promoter regions that are 2000 bp upstream of the 23 VHA-H genes, with brief explanations of the functions of these elements.
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.