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.
Ribbon representation of four CTD recognition modules. (A) WW domain of Pin1 in complex with a short CTD peptide (1f8a); (B) CID domain of Pcf11 in complex with a short CTD peptide (1sza); (C) SRI domain of Set2 (2a7o); and (D) FF domain of CA150 (2kis).
