Initiation of transcription by RNA polymerase I requires the formation of a complex composed of the TATA-binding protein (TBP) and three TBP-associated factors (TAFs) specific for RNA polymerase I. This complex, known as SL1, binds to the core promoter of ribosomal RNA genes to position the polymerase properly and acts as a channel for regulatory signals. This gene encodes one of the SL1-specific TAFs.[2]
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Kim NG, Rhee H, Li LS, Kim H, Lee JS, Kim JH, Kim NK, Kim H (2002). "Identification of MARCKS, FLJ11383 and TAF1B as putative novel target genes in colorectal carcinomas with microsatellite instability". Oncogene. 21 (33): 5081–7. doi:10.1038/sj.onc.1205703. PMID12140758.
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