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Maff | Transcription factor MafF; Since they lack a putative transactivation domain, the small Mafs behave as transcriptional repressors when they dimerize among themselves. However, they seem to serve as transcriptional activators by dimerizing with other (usually larger) basic-zipper proteins, such as NFE2L1/NRF1, and recruiting them to specific DNA-binding sites. Interacts with the upstream promoter region of the oxytocin receptor gene. May be a transcriptional enhancer in the up-regulation of the oxytocin receptor gene at parturition. (156 aa) | ||||
Prdm8 | PR domain zinc finger protein 8; Probable histone methyltransferase, preferentially acting on 'Lys-9' of histone H3. Histone methyltransferase activity has not been confirmed in other species. Involved in the control of steroidogenesis through transcriptional repression of steroidogenesis marker genes such as CYP17A1 and LHCGR. Forms with BHLHE22 a transcriptional repressor complex controlling genes involved in neural development and neuronal differentiation. In the retina, it is required for rod bipolar and type 2 OFF-cone bipolar cell survival. (688 aa) |