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Pcl | Polycomb protein Pcl; Polycomb group (PcG) protein. While PcG proteins are generally required to maintain the transcriptionally repressive state of homeotic genes throughout development, this protein is specifically required during the first 6 hours of embryogenesis to establish the repressed state. Component of the Esc/E(z) complex, which methylates 'Lys-9' and 'Lys-27' residues of histone H3, leading to transcriptional repression of the affected target gene. The Esc/E(z) complex is necessary but not sufficient for the repression of homeotic target genes, suggesting that the recruitme [...] (1043 aa) | ||||
dwg | Deformed wings (dwg) encodes an architectural chromatin protein essential for embryonic development that organizes open chromatin in regulatory regions (predominantly promoters). dwg product binding site was found in the insulator encoded by scs, and its functions include enhancer blocking, support of distant interactions and recruitment of transcription factors. (592 aa) |