The homology between two genes can be plotted in the form of a dot matrix comparison

TLS Online TPP Program

#Id: 1857

#Unit 3. Fundamental Processes

Constitutive active housekeeping genes and developmentally regulated genes have TATA-less promoters. 

 

TLS Online TPP Program

#Id: 1858

#Unit 3. Fundamental Processes

TATA less, Inr Less promoters uses Sp1 activator to position TBP with TAFs

TLS Online TPP Program

#Id: 1859

#Unit 3. Fundamental Processes

Sp1 (Mr  80,000) is a transcription activator for a large number of genes in higher eukaryotes. Its DNA binding site, the GC box consensus sequence GGGCGG.

TLS Online TPP Program

#Id: 1860

#Unit 3. Fundamental Processes

Sp1 contains three zinc fingers, 25% of their amino acid residues are Gln.

TLS Online TPP Program

#Id: 1861

#Unit 3. Fundamental Processes

RNA polymerase III transcribes a set of short genes. The classical class III genes (types I and II) have promoters that lie wholly within the genes.

 

TLS Online TPP Program

#Id: 1862

#Unit 3. Fundamental Processes

RNA Polymerase I has a Bipartite Promoter