FEATURES

FAMILY

DESCRIPTION

Also known as TAF13_YEAST, TAF13, FUN81, TAF19. Functions as a component of the DNA-binding general transcription factor complex TFIID. Binding of TFIID to a promoter (with or without TATA element) is the initial step in pre-initiation complex (PIC) formation. TFIID plays a key role in the regulation of gene expression by RNA polymerase II through different activities such as transcription activator interaction, core promoter recognition and selectivity, TFIIA and TFIIB interaction, chromatin modification (histone acetylation by TAF1), facilitation of DNA opening and initiation of transcription. In TFIID, TAF13 heterodimerizes with TAF11, but they do not seem to form a heterotetramer like TAF6/TAF9. The 1.2 MDa TFIID complex is composed of TATA binding protein (TBP) and the 14 TBP-associated factors. One copy of each TAF1, TAF2, TAF3, TAF7, TAF8, TAF11, TAF13, two copies of each TAF4, TAF5, TAF6, TAF9, TAF10, TAF12, and three copies of TAF14.

EXTERNAL LINKS

TAF13

Transcription initiation factor TFIID subunit 13

TAF13

Molecular Synopsis