Physical and in silico approaches identify DNA-PK in a Tax DNA-damage response interactome
2008
Mapping Interactions of HTLV-1 Tax with DNA-PK
publication
Evidence: moderate
Author Information
Author(s): Ramadan Emad, Ward Michael, Guo Xin, Durkin Sarah S, Sawyer Adam, Vilela Marcelo, Osgood Christopher, Pothen Alex, Semmes Oliver J
Primary Institution: Old Dominion University
Hypothesis
How does the HTLV-1 Tax protein interact with host cellular proteins involved in DNA damage response?
Conclusion
The study identifies DNA-PK as a key protein interacting with HTLV-1 Tax, suggesting its significant role in the DNA damage response.
Supporting Evidence
- The study mapped 250 cellular components within the Tax interactome.
- DNA-PK was identified as a key protein through both physical and in silico analyses.
- Tax's interaction with DNA-PK suggests a role in the cellular DNA damage response.
Takeaway
This study shows that a virus protein called Tax interacts with a protein in our cells called DNA-PK, which helps fix damaged DNA.
Methodology
The study used affinity isolation of Tax complexes followed by mass spectrometry to identify interacting proteins.
Digital Object Identifier (DOI)
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