Cas9-IN-3 is a potent Cas9 inhibitor (IC50=28 μM). CRISPR/Cas systems have revolutionized gene editing in various species[1].
Zidovudine is a nucleoside reverse transcriptase inhibitor (NRTI), widely used to treat HIV infection. Zidovudine increases CRISPR/Cas9-mediated editing frequency.
BRD7586 is a cell-permeable small-molecule inhibitor of SpCas9. BRD7586 is the smallest known anti-CRISPR[1].
RS-1 is a RAD51 activator, and also increases CRISPR/Cas9-mediated knock-in efficiencies.
Brefeldin A is a specific inhibitor of protein trafficking which blocks the protein transport from the endoplasmic reticulum to the Golgi complex.
KU-57788 is a potent and selective inhibitor of DNA-PK with an IC50 of 13 nM, with selectivity over a range of kinases including mTOR, PI 3-K, ATM and ATR.
CEM114 is an effective chemical epigenetic modifier (CEM) that recruits endogenous chromatin machinery through CRISPR-Cas9 systems[1].
Nocodazole is a rapidly-reversible inhibitor of microtubule. Nocodazole binds to β-tubulin and disrupts microtubule assembly/disassembly dynamics, which prevents mitosis and induces apoptosis in tumor cells.
SCR7 is a DNA Ligase IV inhibitor with anticancer activity.
SCR7 pyrazine is a DNA ligase IV inhibitor that blocks nonhomologous end-joining (NHEJ) in a ligase IV-dependent manner. SCR7 pyrazine is also a CRISPR/Cas9 enhancer which increases the efficiency of Cas9-mediated homology-directed repair (HDR). SCR7 pyrazine induces cell apoptosis and has anticancer activity[1][2].
BRD0539 is a cell-permeable and non-toxic inhibitor of CRISPR-Cas9. BRD0539 inhibits Streptococcus pyogenes Cas9 (SpCas9) (apparent IC50=22 μM) in an in vitro DNA cleavage assay[1].