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Su(z)12 | Polycomb protein Su(z)12; 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' (H3K9me) and 'Lys-27' (H3K27me) 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 [...] (900 aa) | ||||
se | Pyrimidodiazepine synthase; Mediates the conversion of 2-amino-4-oxo-6-pyruvoyl-5,6,7,8- tetrahydropteridine (6-PTP; also named 6-pyruvoyltetrahydropterin) to 2-amino-6-acetyl-3,7,8,9-tetrahydro-3H-pyrimido(4,5-b)[1,4]diazepin-4- one (pyrimidodiazepine or PDA), a key intermediate in red eye pigment drosopterin biosynthesis. (243 aa) |