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Component of RNA polymerase I core factor complex that acts as a GTF2B/TFIIB-like factor and plays a key role in multiple steps during trancription initiation such as preinitiation complex (PIC) assembly and postpolymerase recruitment events in polymerase I (Pol I) transcription. Binds rDNA promoters and plays a role in Pol I recruitment as a component of the SL1/TIF-IB complex and, possibly, directly through its interaction with RRN3.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: RNA polymerase I-specific TBP-associated factor 63 kDa; SL1, 63kD subunit; TAFI63; TATA box binding protein (TBP)-associated factor, RNA polymerase I, B, 63kD; TATA box binding protein (TBP)-associated factor, RNA polymerase I, B, 63kDa; TATA box binding protein associated factor 1B; TATA box-binding protein-associated factor 1B; TATA box-binding protein-associated factor RNA polymerase I subunit B; TATA-box binding protein associated factor, RNA polymerase I, B; TBP-associated factor 1B; Transcription initiation factor SL1/TIF-IB subunit B
基因别名: MGC:9349; RAF1B; RAFI63; SL1; TAF1B; TAFI63
UniProt ID: (Human) Q53T94
Entrez Gene ID: (Human) 9014