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Pc | Polycomb group protein Pc; 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. Component of the PcG multiprotein PRC1 complex, a complex that acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-118', rendering chromatin heritably changed in its expressibility. Promotes locus-specif [...] (390 aa) | ||||
psd | Palisade, isoform A; Palisade (psd) encodes a secreted protein required during oogenesis to coordinate assembly and cross-linking of the vitelline membrane layer of the eggshell. It is also one of several targets of the sulfotransferase encoded by pip, which is involved in developmental patterning. (381 aa) |