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MAFK | Transcription factor MafK; Since they lack a putative transactivation domain, the small Mafs behave as transcriptional repressors when they dimerize among themselves. However, they act as transcriptional activators by dimerizing with other (usually larger) basic-zipper proteins, such as NFE2, NFE2L1/NRF1, NFE2L2/NRF2 and NFE2L3/NRF3, and recruiting them to specific DNA-binding sites. Small Maf proteins heterodimerize with Fos and may act as competitive repressors of the NF-E2 transcription factor ; Belongs to the bZIP family. Maf subfamily. (156 aa) | ||||
MS4A15 | Membrane-spanning 4-domains subfamily A member 15; May be involved in signal transduction as a component of a multimeric receptor complex. (240 aa) |