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trx | Histone-lysine N-methyltransferase trithorax; Histone methyltransferase that trimethylates 'Lys-9' of histone H3 (H3K9me3). H3 'Lys-9' methylation represents a specific tag for epigenetic transcriptional activation. Functions in segment determination through interaction with genes of bithorax (BX-C) and antennapedia (ANT-C) complexes. Acts as an activator of BX-C. Involved in the very early regulation of homeotic genes expressed only in the posterior region of the embryo. (3726 aa) | ||||
Hmr | Hybrid male rescue (Hmr) encodes a protein required to repress transposable element and satellite DNA expression. It also has a gain-of-function phenotype of causing lethality in F1 male hybrids between D. melanogaster and D. simulans. (1413 aa) |