Source: | Rabbit | Gene Id: | 10919 |
Isotype: | IgG | Swiss Prot: | Q96KQ7 |
purity: | Affinity purification |
Background: |
G9a, also known as Euchromatic histone-lysine N-methyltransferase 2 (EHMT2), is a member of a family of histone lysine methyltransferases, each of which contains a conserved catalytic SET domain originally identified in Drosophila Su[var]3-9, Enhancer of zeste, and Trithorax proteins (1). Recombinant G9a can mono-, di- and tri-methylate histone H3 on Lys9 and Lys27 in vitro (1,2). However, in vivo G9a forms a complex with GLP, a G9a-related histone methyltransferase, and together these proteins function as the major euchromatic histone H3 Lys9 mono- and di-methyltransferases, creating transcriptionally repressive marks that facilitate gene silencing (3,4). G9a methylates itself on Lys165, a modification that regulates the association of HP1 repressor proteins with the G9a/GLP complex (5). The G9a/GLP complex also contains Wiz, a zinc finger protein that is required for G9a/GLP hetero-dimerization and complex stability (6). Wiz contains two CtBP co-repressor binding sites, which mediate the association of the G9a/GLP with the CtBP co-repressor complex (6). In addition, G9a and GLP are components of other large transcriptional co-repressor complexes, such as those involving E2F6 and CDP/cut (7-9). G9a interacts with DNMT1, and both proteins are required for methylation of DNA and histone H3 (Lys9) at replication foci, providing a functional link between histone H3 Lys9 and CpG methylation during DNA replication (10). G9a activity is critical for meiotic prophase progression, as mutant mice deficient in germ line G9a show a large loss of mature gametes (11). In addition, G9a facilitates increased global levels of di-methyl histone H3 (Lys9) during hypoxic stress and increased G9a expression is associated with hepatocelluar carcinoma (12). |
Reactivity | Human, Mouse, Rat |
Tested applications | WB IHC |
Clonality | Polyclonal Antibody |
Calculated MW | 132 kDa |
Recommended Dilutions |
WB 1:500-1:2000
IHC 1:50-1:200
|
Immunogen | A recombinant protein of human EHMT2 |
Storage | Store at -20°C or -80°C in PBS with 0.02% sodium azide and 50% glycerol. Avoid freeze/thaw cycles. |
Synonym | EHMT2, BAT8, C6orf30, DKFZp686H08213, FLJ35547, G9A, KMT1C, NG36, NG36/G9a |
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