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Ubtf | Nucleolar transcription factor 1; Recognizes the ribosomal RNA gene promoter and activates transcription mediated by RNA polymerase I through cooperative interactions with the transcription factor SL1/TIF-IB complex. It binds specifically to the upstream control element. (764 aa) | ||||
Zfp809 | Zinc finger protein 809; Transcription factor specifically required to repress retrotransposons in embryonic stem cells. Recognizes and binds retroviral DNA sequences from a large subset of mammalian retroviruses and retroelements and repress their expression by recruiting a repressive complex containing TRIM28/KAP1. (402 aa) |