1/200 - 1/1000. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
FunctionDNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Second largest core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. Proposed to contribute to the polymerase catalytic activity and forms the polymerase active center together with the largest subunit. Pol III is composed of mobile elements and RPC2 is part of the core element with the central large cleft and probably a clamp element that moves to open and close the cleft (By similarity). Plays a key role in sensing and limiting infection by intracellular bacteria and DNA viruses. Acts as nuclear and cytosolic DNA sensor involved in innate immune response. Can sense non-self dsDNA that serves as template for transcription into dsRNA. The non-self RNA polymerase III transcripts, such as Epstein-Barr virus-encoded RNAs (EBERs) induce type I interferon and NF- Kappa-B through the RIG-I pathway.
Sequence similaritiesBelongs to the RNA polymerase beta chain family.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human prostate carcinoma tissue labelling POLR3B with ab86143 at 1/1000 (0.2µg/ml). Detection: DAB.
Western blot - POLR3B antibody (ab86143)
All lanes : Anti-POLR3B antibody (ab86143) at 0.04 µg/ml
Lane 1 : HeLa whole cell lysate at 50 µg Lane 2 : HeLa whole cell lysate at 15 µg Lane 3 : HeLa whole cell lysate at 5 µg Lane 4 : 293T whole cell lysate at 50 µg
Developed using the ECL technique
Predicted band size : 128 kDa Observed band size : 128 kDa
Exposure time : 3 minutes
Immunoprecipitation - POLR3B antibody (ab86143)
Detection of Human POLR3B by Immunoprecipitation, using ab86143 at 3µg/mg lysate. Image shows immunoprecipitated POLR3B detected with post IP WB, loading 20% of IP and using HeLa whole cell lysate at 1mg, with an antibody recognising an upsatream eptiope in lane 1, ab86143 at 1 µg/ml in lane 2 and control IgG in lane 3. Detection: Chemiluminescence with an exposure time of 30 seconds.
References for Anti-POLR3B antibody (ab86143)
has not yet been referenced specifically in any publications.
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