Transcription factor (TF) IIB and TFIIA can independently increase the affinity of the TATA-binding protein for DNA.
Imbalzano AN, Zaret KS, Kingston RE. Transcription factor (TF) IIB and TFIIA can independently increase the affinity of the TATA-binding protein for DNA. J Biol Chem. 1994 Mar 18; 269(11):8280-6.