general transcription factors Flashcards
1
Q
recognizes tata box and other dna seq near the transcription start point
A
TFIID
2
Q
not required in all promoters; stabilizes binding of TFIID
A
TFIIA
3
Q
recognizes BRE element in promoters; accurately positions RNA polymerase at the start site of transcription
A
TFIIB
4
Q
stabilizes RNA polymerase interaction with TFIIB
A
TFIIF
5
Q
helps attract TFIIE and TFIIH
A
TFIIF
6
Q
attracts and regulates TFIIH
A
TFIIE
7
Q
unwinds dna at the transcription start point
A
TFIIH
8
Q
phosphorylates Ser5 of the RNA pol C-terminal domain (CTD)
A
TFIIH
9
Q
releases RNA pol from the promoter
A
TFIIH
10
Q
TFIID is composed of ____ and 11 additional subunits call ____
A
TBP (tata-binding protein)
TAFs (TBP-associated factors)
