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Target intelligence / Profile preview
Human Immunodeficiency Virus Type 1 Tat protein
- Molecular classification
- Transcription factor, Viral protein
01
Overview
The HIV-1 Tat protein (Trans-Activator of Transcription) is a small, regulatory viral protein essential for efficient transcription and replication of the HIV-1 genome. It binds to the TAR RNA element and recruits host cellular factors to enhance transcriptional elongation. Tat also modulates cellular gene expression, alters immune responses, and facilitates viral spread. It is considered a potential therapeutic target.
- Other names
- TatHIV-1 Tat
02
Mechanism of action
Enhances transcriptional elongation from the integrated HIV provirus by binding to the TAR RNA element and recruiting P-TEFb.
03
Biological functions
Transcriptional activationRegulation of gene expressionModulation of immune responseFacilitation of viral replicationRNA binding
04
Disease associations
InfectionAIDSNeuropathology
05
Safety considerations
Potential for off-target effects due to interaction with multiple host pathways.Challenges in developing specific inhibitors due to structural flexibility and multiple interaction partners.
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