Fig. 1.
Main technologies for dCas9-based CRISPRa/i. A. dCas9-KRAB-MeCP2. B. dCas9-VPR. C. dCas9-SAM. D. dCas9-SunTag. The dCas9 protein is in pale blue, the CRISPR guide RNA is in purple. See text for description.
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