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.
The solid box maps the transcriptional activation domain described, while the broken boxes describe two repressor domains, each of which are capable of repressing the transcriptional-activation domain.
