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.
A schematic representation indicating the presence (color) or absence (white) of potential transcription factor binding sites in the promoter sequence of the E2 genes classified by families. The sites located in CpG islands are in dark red, and the others are in blue.
