
Figure 1.
Core promoter organization: (UPE and DPE) Upstream and downstream promoter elements; (X) a UPE-binding TF; (CIF) a Co–Inr TF; (A,B,D,F,E,H) TFIIA, TFIIB, etc.; (TBP) the TATA box-binding protein; (TF150 and TF250) TBP-associated factors (TAFs) 150 and 250, respectively.











