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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) | ||||
pyx | Transient receptor potential channel pyrexia; Receptor-activated non-selective cation channel involved in protection or tolerance from high temperature stress. Activated by temperatures above 40 degrees Celsius. More permeable to K(+) than to Na(+). May act in stress protection allow flies to survive in natural environments. (956 aa) |