Activators
These proteins b<nd to genes et srtos known as enfawcer? and speed the rato ot transcriptłon.
Enhanc<v
Rcprossors
Tboso pfoloins bind to setected sets of genes at srtes known as Śhncm and thus stow transcnpfon.
Repressor
Acftvator
Activator
Act«vator
TATA-bónding
RNA
pctymorase
Coactlvators
Thoso ‘adapter* mofecułes intcgratc signals from actrvators and perhaps repressors.
Coding
'cgion
TATA bOX
Core promotor
Basal transcriptlon factors
In response to Infunctions
from aclłvalors. thoso factors position RNA potymorase at the start of transcripfon and in<iate the tranacriptton process.