EML741 also inhibits DNMT1 (IC50, 3.1 μM), with no effect on DNMT3a or DNMT3b. EML741 exhibits low cell toxicity, and is membrane permeable and blood-brain barrier penetrated. EML741 is a histone lysine methyltransferase G9a GLP inhibitor, with an IC50 of 23 nM, Kd of 1.13 μM for G9a.
Isofistularin-3, as a DNA demethylating agent, induces cell cycle arrest and sensitization to TRAIL in cancer cells. Isofistularin-3 can be used as an ADC cytotoxin.Isofistularin-3 is a direct, DNA-competitive DNMT1 inhibitor, with an IC50 of 13.5 μM.
(R)-GSK-3685032 is the R-enantiomer of GSK-3685032. GSK-3685032 is a first-in-class, non-time-dependent, non-covalent, reversible, selective DNMT1 inhibitor with an IC 50 of 0.036 μM. GSK-3685032 induces robust loss of DNA methylation, transcriptional activation and inhibition of cancer cell growth.