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Positive Control: Raji cell lysates, rat kidney tissue, human lung carcinoma tissue, human breast carcinoma tissue, Daudi.
Subcellular Location: Nucleus.
Heterochromatin protein-1 (HP1) is a methyl-lysine binding protein localized at heterochromatin sites, where it mediates gene silencing. It has been shown that mammalian methyltransferases that selectively methylate histone H3 on lysine-9 generate a binding site for HP1 proteins, a family of heterochromatic adaptor molecules implicated in both gene silencing and supranucleosomal chromatin structure. High-affinity in vitro recognition of a methylated histone H3 peptide by HP1 requires a functional chromodomain. Thus, the HP1 chromodomain is a specific interaction motif for the methyl epitope on lysine-9 of histone H3. In vivo, heterochromatin association of HP1 proteins is lost in Suv39h double-null primary mouse fibroblasts but is restored after reintroduction of a catalytically active SUV39H1 HMTase.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: Demethylase; DKFZp586O0821; DMTase; Methyl-CpG-binding domain protein 2; Methyl-CpG-binding protein MBD2
基因别名: DMTase; MBD2; MBD2a; NY-CO-41
UniProt ID: (Human) Q9UBB5, (Mouse) Q9Z2E1
Entrez Gene ID: (Human) 8932, (Rat) 680172, (Mouse) 17191