Nat Struct Mol Biol 2013 Oct 1;20(10):1156-63. Epub 2013 Sep 1.
1] Laboratory of Biochemistry and Molecular Biology, Rockefeller University, New York, New York, USA. [2] Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, Alabama, USA. [3] UAB Stem Cell Institute, University of Alabama at Birmingham, Birmingham, Alabama, USA. [4].