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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) | ||||
Dhfr | Dihydrofolate reductase (Dhfr) encodes an NADPH-dependent enzyme used to convert folic acid and dihydrofolate to tetrahydrofolate, which is used as a cofactor for the biosynthesis of purines, thymidylate, and several amino acids. Dhfr product contributes to cell proliferation and cell growth. (182 aa) |