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Sce | E3 ubiquitin-protein ligase RING1; E3 ubiquitin-protein ligase that mediates monoubiquitination of 'Lys-118' of histone H2A, thereby playing a central role in histone code and gene regulation. H2A 'Lys-118' ubiquitination gives a specific tag for epigenetic transcriptional repression. Polycomb group (PcG) protein. PcG proteins act by forming multiprotein complexes, which are required to maintain the transcriptionally repressive state of homeotic genes throughout development. PcG proteins are not required to initiate repression, but to maintain it during later stages of development. PcG [...] (435 aa) | ||||
msl-3 | Protein male-specific lethal-3; Male-specific lethal 3 (msl-3) encodes a chromodomain protein, reported to interact with H3K36me3, H4K20me1 and DNA. It is a member of the Male-Specific-Lethal dosage compensation complex, which increases male X chromosome transcription approximately two-fold. Homozygous mutant males die as larvae, while females are viable. (512 aa) |