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- Table of Contents
POLR2E antibody (A08765-1) performs well in ELISA, Flow Cytometry, IF, ICC, WB and shows reactivity with Human, Rat.
- Validated for inter-lot consistency, specificity, and reproducibility
- Committed to quality since 1993
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Flow Cytometry analysis of Hela cells using anti-RPB5/POLR2E antibody (A08765-1).
Overlay histogram showing Hela cells stained with A08765-1 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-RPB5/POLR2E Antibody (A08765-1, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
Overlay histogram showing Hela cells stained with A08765-1 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-RPB5/POLR2E Antibody (A08765-1, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.
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Anti-RPB5/POLR2E Antibody Picoband®
POLR2E antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Rat | Rabbit | ELISA, Flow Cytometry, IF, ICC, WB |
Tested Applications
POLR2E antibody was positively detected by WB in:
human A431 whole cell, human Hela whole cell, human HepG2 whole cell, human MCF-7 whole cell, rat liver tissue
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
POLR2E antibody was positively detected by ICC/IF in:
U2OS cell
POLR2E antibody was positively detected by FC in:
Hela cell
Recommend Dilution
Application
Dilution
Species
Western blot
0.25-0.5 μg/ml
Human, Rat
Immunocytochemistry/Immunofluorescence
5 μg/ml
Human
Flow Cytometry (Fixed)
1-3 μg/1x106 cells
Human
ELISA
0.1-0.5 μg/ml
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* It is recommended to optimize the amount of this reagent in each experimental system to achieve the best results.
Note: For flow cytometry (FCM), validated for fixed cells only. Not validated for FACS or surface flow cytometry using live cells.
Reactive Data
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WB
ELISA
Human
Tested
Recommend
Rat
Tested
Recommend
Bovine
Predicted
Predicted
Sheep
Predicted
Predicted
Dog
Predicted
Predicted
Mouse
Predicted
Predicted
Zebrafish
Predicted
Predicted
Product Information
Product Name
Anti-RPB5/POLR2E Antibody Picoband®
View all POLR2E Antibodies
View all POLR2E Antibodies
Form
Lyophilized
Uniprot
Gene ID
Storage & Handling
At -20°C for one year from date of receipt.
After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months.
Avoid repeated freezing and thawing.
Host
Rabbit
Contents
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
E.coli-derived human RPB5/POLR2E recombinant protein (Position: Q95-Q210).
Cross-Reactivity
No cross-reactivity with other proteins.
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.
Observed Molecular Weight
23 kDa
Calculated Molecular Weight
24.6 kDa
Background of POLR2E
DNA-directed RNA polymerases I, II, and III subunit RPABC1 is a protein that in humans is encoded by the POLR2E gene. This gene encodes the fifth largest subunit of RNA polymerase II, the polymerase responsible for synthesizing messenger RNA in eukaryotes. This subunit is shared by the other two DNA-directed RNA polymerases and is present in two-fold molar excess over the other polymerase subunits. An interaction between this subunit and a hepatitis virus transactivating protein has been demonstrated, suggesting that interaction between transcriptional activators and the polymerase can occur through this subunit. A pseudogene is located on chromosome 11. Three transcript variants encoding two different isoforms have been found for this gene.
Cite This Product
Anti-RPB5/POLR2E Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A08765-1)
Antibody Homology Across Species
The results generated by this homology analysis tool for commonly used animal species are shown below. For unlisted species, please refer to the homology analysis between the immunogen sequence and the corresponding species.
A homology of ≥90% is recommended. Generally, higher homology indicates a greater potential for cross-species reactivity. However, protein expression levels may vary among different species, tissues, and cell types. Therefore, the homology analysis results are for reference only and do not guarantee antibody cross-reactivity or experimental performance.
Human
100%
High Homology
Cow
100%
High Homology
Sheep
100%
High Homology
Dog
100%
High Homology
Mouse
98%
High Homology
Rat
98%
High Homology
Zebrafish
95%
High Homology
Drosophila
85%
Moderate Homology
Monkey
22%
Low homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for POLR2E antibody
Immunocytochemistry/Immunofluorescence (ICC/IF) protocol for POLR2E antibody
Flow Cytometry (FC) protocol for POLR2E antibody
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Product Promise
We promise Anti-RPB5/POLR2E Antibody Picoband® performs excellently in relevant applications for ELISA, Flow Cytometry, IF, ICC, WB. If it doesn't perform as promised, we will refund the product. Learn more
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A08765-1
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00
Troubleshooting
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We promise all of our products perform as described in datasheets.
This product is for Research Use Only. Not for use in diagnostic procedures.
Update date:
Oct 15, 2026