Abstract: The present disclosure provides compositions comprising a gene-editing polypeptide, a single-stranded donor DNA, and one or more staple oligonucleotides. The present disclosure provides compositions comprising a DNA nanostructure and a gene-editing polypeptide. The present disclosure provides gene editing methods using the compositions. The present disclosure provides methods of using the compositions to produce a genetically modified cell. The present disclosure provides kits useful for carrying out gene editing.

Abstract: A method of selectively inhibiting a bromodomain in the presence of other bromodomains comprising introducing a functionally silent mutation into the bromodomain in the presence of other wild type bromodomains and selectively inhibiting the mutated bromodomain.