CRISPR-cas9-guided adenine base editors (ABEs) site-specifically convert the A-T base pair to G-C base pair in genomic DNA. The intracellular delivery of ABE proteins preassembled with guide RNAs (gRNAs) has shown greatly reduced off-target effects compared with that of plasmids or viral vectors containing ABE and gRNA-encoding sequences. For efficient gene editing by the ribonucleoprotein delivery method, the ABE-gRNA complexes need to be prepared in high purity and quantity. Here we describe the expression and purification procedure of ABEmax, one of high-efficiency ABE versions.
CITATION STYLE
Lee, S. N., Jang, H. S., & Woo, J. S. (2023). Heterologous Expression and Purification of a CRISPR-Cas9-Based Adenine Base Editor. In Methods in Molecular Biology (Vol. 2606, pp. 123–133). Humana Press Inc. https://doi.org/10.1007/978-1-0716-2879-9_10
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