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TAF1C
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 the largest SL1-specific TAF. Multiple alternatively spliced transcript variants encoding different isoforms have been identified.
Predicted location
Intracellular
Single cell type specificity
Low cell type specificity
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Component of the transcription factor SL1/TIF-IB complex, composed of TBP and at least TAF1A, TAF1B, TAF1C and TAF1D. In the complex interacts directly with TBP, TAF1A and TAF1B. Interaction of the SL1/TIF-IB subunits with TBP excludes interaction of TBP with the transcription factor IID (TFIID) subunits. Interacts with MYC and RRN3. Interacts with p53/TP53; the interaction prevents the association of SL1/TIF-IB with UBTF and represses RNA polymerase I transcription.
Molecular function
DNA-binding
More Types Infomation
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- Derivation: Mouse
- Species Reactivity: Human
- Type: Mouse IgG2a
- Application: WB, IP, IF, ELISA
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- Derivation: Phage display library screening
- Species Reactivity: Human
- Type: IgG
- Application: WB, IP
-
- Species Reactivity: Human
- Application: ELISA, WB
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For Research Use Only. Not For Clinical Use.