ATF7

ATF7 or Activating Transcription Factor 7 is a protein that in humans is encoded by the ATF7 gene. This protein belongs to the CREB family of transcription factors which play a crucial role in cellular processes such as cell growth, cell differentiation, and apoptosis.

Function

ATF7 is a member of the ATF/cAMP response element-binding (CREB) protein family of transcription factors. It interacts with the transcription factor NF-kappaB and inhibits its transcriptional activity, thereby playing a role in the regulation of inflammation and immune responses. ATF7 also interacts with the Jun/Fos transcription factor complex, modulating its activity and influencing gene expression.

Structure

The ATF7 protein is composed of a basic leucine zipper (bZIP) domain, which is responsible for DNA binding and dimerization. This domain allows ATF7 to bind to the cAMP response element (CRE) and regulate the transcription of target genes.

Clinical Significance

Alterations in the function or expression of ATF7 have been implicated in several diseases. For instance, overexpression of ATF7 has been observed in certain types of cancer, suggesting a potential role in oncogenesis. Additionally, ATF7 may play a role in neurological disorders due to its involvement in neuronal cell differentiation and survival.

See Also

• CREB
• Transcription factor
• Gene expression
• NF-kappaB
• Jun
• Fos

References

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