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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) | ||||
spd-2 | Spindle defective 2 (spd-2) encodes a centriole and centrosome protein that is primarily involved in centrosome assembly. Together with the product of cnn, it helps to assemble a "scaffold" around the mother centriole that can recruit other centrosomal proteins to the centrosome during mitosis. (1146 aa) |