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Sp3 | Transcription factor Sp3; Transcriptional factor that can act as an activator or repressor depending on isoform and/or post-translational modifications. Binds to GT and GC boxes promoter elements. Competes with SP1 for the GC-box promoters. Weak activator of transcription but can activate a number of genes involved in different processes such as cell-cycle regulation, hormone-induction and house-keeping (By similarity). (783 aa) | ||||
Zbtb49 | Zinc finger and BTB domain-containing protein 49; Transcription factor. Inhibits cell proliferation by activating either CDKN1A/p21 transcription or RB1 transcription. (756 aa) |