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Cbx2 | Chromobox protein homolog 2; Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development (By similarity). PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility (By similarity). Binds to histone H3 trimethylated at 'Lys-9' (H3K9me3) or at 'Lys-27' (H3K27me3). Plays a role in the lineage differentiation of the [...] (519 aa) | ||||
Prdm8 | PR domain zinc finger protein 8; Probable histone methyltransferase, preferentially acting on 'Lys-9' of histone H3. Histone methyltransferase activity has not been confirmed in other species. Involved in the control of steroidogenesis through transcriptional repression of steroidogenesis marker genes such as CYP17A1 and LHCGR. Forms with BHLHE22 a transcriptional repressor complex controlling genes involved in neural development and neuronal differentiation. In the retina, it is required for rod bipolar and type 2 OFF-cone bipolar cell survival. (688 aa) |