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Histone methyltransferase that plays an essential role in early development and hematopoiesis. Catalytic subunit of the MLL1/MLL complex, a multiprotein complex that mediates both methylation of 'Lys-4' of histone H3 (H3K4me) complex and acetylation of 'Lys-16' of histone H4 (H4K16ac). In the MLL1/MLL complex, it specifically mediates H3K4me, a specific tag for epigenetic transcriptional activation. Has weak methyltransferase activity by itself, and requires other component of the MLL1/MLL complex to obtain full methyltransferase activity. Has no activity toward histone H3 phosphorylated on 'Thr-3', less activity toward H3 dimethylated on 'Arg-8' or 'Lys-9', while it has higher activity toward H3 acetylated on 'Lys-9'. Required for transcriptional activation of HOXA9. Promotes PPP1R15A-induced apoptosis.
Gene Name: | lysine (K)-specific methyltransferase 2A |
Synonyms: | KMT2A, ALL1, CDK6/MLL fusion protein, FLJ11783, HRX, HTRX, HTRX1, Lysine N-methyltransferase 2A, MLL1A, MLL/GAS7, MLL1, ALL-1, MLL, MLL/GAS7 fusion protein, TRX1, WDSTS, Trithorax-like protein, Zinc finger protein HRX, CXXC7, MLL-AF4 der(11) fusion protein, MLL/GMPS fusion protein, TET1-MLL |
Target Sequences: | NM_005933 NP_005924.2 Q03164 |
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