SUV39H1 (KMT1A), SUV39H2 (KTM1B), SETDB1 (KMT1E), SETDB2 (KMT1F) methylate dimethyl-lysine-10 of histone H3 (H3K9)
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SUV39H1 (KMT1A) and SUV39H2 (KMT1B) and SETDB2 (KMT1F) selectively methylate lysine-10 of histone H3 (H3K9) (Rea et al. 2000, Rice et al. 2003, Falandry et al. 2010). Their predominant activity is conversion of dimethylated H3K9 to trimethylated H3K9 (Peters et al. 2003, Rice et al. 2003, Chin et al. 2006). SETDB1 (ESET, KMT1E) also predominantly methylates dimethylated H3K9 (Schultz et al. 2002), most effectively when complexed with ATF7IP (MCAF, hAM) (Wang et al. 2003).
SUV39H1(KMT1A)、SUV39H2(KMT1B)以及SETDB2(KMT1F)选择性地甲基化组蛋白H3的赖氨酸-10(H3K9)(Rea等,2000年,Rice等,2003年,Falandry等,2010年)。它们的主要活性是将二甲基化的H3K9转化为三甲基化的H3K9(Peters等,2003年,Rice等,2003年,Chin等,2006年)。SETDB1(ESET,KMT1E)亦主要甲基化二甲基化的H3K9(Schultz等,2002年),与其复合ATF7IP(MCAF,hAM)(Wang等,2003年)时,甲基化效果最为显著。
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