TAF1B Antibody

Code CSB-PA684476ESR1HU
Size US$167Purchase it in Cusabio online store
(only available for customers from the US)
  • Western blot
    All lanes: TATA box-binding protein-associated factor RNA polymerase I subunit B antibody at 4μg/ml + Hela whole cell lysate
    Goat polyclonal to rabbit IgG at 1/10000 dilution
    Predicted band size: 69, 61, 40 kDa
    Observed band size: 69 kDa

  • Immunohistochemistry of paraffin-embedded human colon cancer using CSB-PA684476ESR1HU at dilution of 1:100

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Product Details

Full Product Name Rabbit anti-Homo sapiens (Human) TAF1B Polyclonal antibody
Uniprot No. Q53T94
Target Names TAF1B
Alternative Names TAF1B antibody; TATA box-binding protein-associated factor RNA polymerase I subunit B antibody; RNA polymerase I-specific TBP-associated factor 63 kDa antibody; TAFI63 antibody; TATA box-binding protein-associated factor 1B antibody; TBP-associated factor 1B antibody; Transcription initiation factor SL1/TIF-IB subunit B antibody
Raised in Rabbit
Species Reactivity Human
Immunogen Recombinant Human TATA box-binding protein-associated factor RNA polymerase I subunit B protein (369-588AA)
Immunogen Species Homo sapiens (Human)
Conjugate Non-conjugated
Clonality Polyclonal
Isotype IgG
Purification Method Antigen Affinity Purified
Concentration It differs from different batches. Please contact us to confirm it.
Buffer PBS with 0.02% sodium azide, 50% glycerol, pH7.3.
Form Liquid
Tested Applications ELISA, WB, IHC
Recommended Dilution
Application Recommended Dilution
WB 1:200-1:1000
IHC 1:20-1:200
Protocols ELISA Protocol
Western Blotting(WB) Protocol
Immunohistochemistry (IHC) Protocol
Troubleshooting and FAQs Antibody FAQs
Storage Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Data

Function 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 transcription initiation such as pre-initiation 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.
Gene References into Functions
  1. AEP coactivator complex facilitates the initiation of RNAP2-dependent transcription via SL1 activity by loading TBP onto the TATA element. PMID: 26593443
  2. findings show that Rrn7, a subunit of the yeast Pol I core factor, and its human ortholog TAF1B are TFIIB-like factors PMID: 21921198
  3. TAF1B, a subunit of SL1, is structurally related to TFIIB/TFIIB-like proteins; SL1, essential for Pol I recruitment to rRNA gene promoter, also has an essential postpolymerase recruitment role, operating through TAF1B PMID: 21921199
  4. Identification of MARCKS, FLJ11383 and TAF1B as putative novel target genes in colorectal carcinomas with microsatellite instability. PMID: 12140758
  5. The four most frequently mutated genes in colorectal cancers with microsatellite instability were ACVR2 (92%), TAF1B (84%), ASTE1/HT001 (80%) and TGFBR2 (77%). PMID: 19503063

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Subcellular Location Nucleus, nucleolus
Protein Families RRN7/TAF1B family
Database Links

HGNC: 11533

OMIM: 604904

KEGG: hsa:9014

STRING: 9606.ENSP00000263663

UniGene: Hs.584833


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