Article
A zinc site in the C-terminal domain of RAG1 is essential for DNA cleavage activity.
Journal of molecular biology - 31 Jul 2009
Gwyn Lori M, Peak Mandy M, De Pallabi, Rahman Negar S, Rodgers Karla K
Abstract excerpt
The recombination-activating protein, RAG1, a key component of the V(D)J recombinase, binds multiple Zn(2+) ions in its catalytically required core region. However, the role of zinc in the DNA cleavage activity of RAG1 is not well resolved. To address this issue, we determined the stoichiometry of Zn(2+) ions bound to the catalytically active core region of RAG1 under various conditions. Using metal quantitation...
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