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Interactions of APOBEC3s with DNA and RNA

Authors
  • Maiti, Atanu
  • Hou, Shurong
  • Schiffer, Celia A.
  • Matsuo, Hiroshi
Publication Date
Jan 21, 2021
Source
[email protected]
Keywords
License
Unknown
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Abstract

APOBEC3 enzymes are key enzymes in our innate immune system regulating antiviral response in HIV and unfortunately adding diversity in cancer as they deaminate cytosine. Seven unique single and double domain APOBEC3s provide them with unique activity and specificity profiles for this deamination. Recent crystal and NMR structures of APOBEC3 complexes are unraveling the variety of epitopes involved in binding nucleic acids, including at the catalytic site, elsewhere on the catalytic domain and in the inactive N-terminal domain. The interplay between these diverse interactions is critical to uncovering the mechanisms by which APOBEC3s recognize and process their substrates.

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