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Histone methyltransferase that specifically monomethylates 'Lys-4' of histone H3. H3 'Lys-4' methylation represents a specific tag for epigenetic transcriptional activation. Plays a central role in the transcriptional activation of genes such as collagenase or insulin. Recruited by IPF1/PDX-1 to the insulin promoter, leading to activate transcription. Has also methyltransferase activity toward non-histone proteins such as p53/TP53, TAF10, and possibly TAF7 by recognizing and binding the [KR]-[STA]-K in substrate proteins. Monomethylates 'Lys-189' of TAF10, leading to increase the affinity of TAF10 for RNA polymerase II. Monomethylates 'Lys-372' of p53/TP53, stabilizing p53/TP53 and increasing p53/TP53-mediated transcriptional activation.
Gene Name: | SET domain containing (lysine methyltransferase) 7 |
Synonyms: | SETD7, Lysine N-methyltransferase 7, KIAA1717, SET9, H3-K4-HMTase SETD7, KMT7, SET7, SET7/9 |
Target Sequences: | NM_030648 NP_085151.1 Q8WTS6 |
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