Binding to DNA and the retinoblastoma gene product promoted by complex formation of different E2F family members.
basic_science · Level V
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Abstract
The E2F family of transcription factors functions in the control of the mammalian cell cycle. Here it is shown that two family members, E2F-1 and DP-1, form specific heterodimers in vivo, a process that enhances DNA binding, transactivation, and the binding of the retinoblastoma gene product. These results suggest that heterodimerization regulates E2F function and contributes to cell cycle control.
Medical subject headings
- Carrier Proteins
- Cell Cycle Proteins
- DNA-Binding Proteins
- Retinoblastoma Protein
- Transcription Factors