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Synthetic peptide (the amino acid sequence is considered to be commercially sensitive) corresponding to Human RPA70 aa 1-100.
This product is a recombinant rabbit monoclonal antibody.
We are constantly working hard to ensure we provide our customers with best in class antibodies. As a result of this work we are pleased to now offer this antibody in purified format. We are in the process of updating our datasheets. The purified format is designated ‘PUR’ on our product labels. If you have any questions regarding this update, please contact our Scientific Support team.
Mouse, Rat: We have preliminary internal testing data to indicate this antibody may not react with these species. Please contact us for more information.
Alternative versions available:
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMab® patents
Our Abpromise guarantee covers the use of ab79398 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|ICC/IF||1/100 - 1/250.|
|WB||1/1000. Detects a band of approximately 70 kDa (predicted molecular weight: 70 kDa).
For unpurified use at 1/2000 - 1/5000.
|IP||1/10 - 1/20.|
|IHC-P||1/100 - 1/250. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.
See protocols (link: http://www.abcam.com/protocols/ihc-antigen-retrieval-protocol).
For unpurified use at 1/50.
ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
|RIP||Use at an assay dependent concentration. PubMed: 21957289|
Blocking and dilution buffer: 5% NFDM/TBST.
Blocking and dilution buffer: 5% NFDM/TBST.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human cervix carcinoma tissue labelling RPA70 with purified ab79398 at 1/100. Heat mediated antigen retrieval was performed using Tris/EDTA buffer pH 9. ab97051, a HRP-conjugated goat anti-rabbit IgG (H+L) was used as the secondary antibody (1/500). Negative control using PBS instead of primary antibody. Counterstained with hematoxylin.
Immunocytochemistry/Immunofluorescence analysis of A549 cells labelling RPA70 with purified ab79398 at 1/200. Cells were fixed with 4% paraformaldehyde and permeabilized with 0.1% Triton X-100. ab150077, an Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/500) was used as the secondary antibody. DAPI (blue) was used as the nuclear counterstain. ab7291, a mouse anti-tubulin (1/1000) and ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/500) were also used.
Control 1: primary antibody (1/200) and secondary antibody, ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/500).
Flow Cytometry analysis of HeLa cells labelling RPA70 with purified ab79398 at 1/80 (red). Cells were fixed with 2% paraformaldehyde. A FITC-conjugated goat anti-rabbit IgG (1/150) was used as the secondary antibody. Black - Isotype control, rabbit monoclonal IgG. Blue - Unlabelled control, cells without incubation with primary and secondary antibodies.
ab79398 (purified) at 1/20 immunoprecipitating RPA70 in HeLa whole cell lysate.
Lane 1 (input): HeLa whole cell lysate (10µg)
Lane 2 (+): ab79398 + HeLa whole cell lysate (10µg).
Lane 3 (-): Rabbit monoclonal IgG (ab172730) instead of ab79398 in HeLa whole cell lysate.
For western blotting, a HRP-conjugated anti-rabbit IgG, specific to the non-reduced form of IgG was used as the secondary antibody (1/1500).
Blocking buffer and concentration: 5% NFDM/TBST.
Diluting buffer and concentration: 5% NFDM /TBST.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human cervical squamous cell carcinoma labelling RPA70 with unpurified ab79398 at a dilution of 1/100.
Unpurified ab79398 staining RPA70 in U2OS cells by ICC/IF (Immunocytochemistry/immunofluorescence). Cells were fixed with paraformaldehyde, permeabilized with 0.5% Triton X-100 in PBS and blocked with 2% BSA for 1 hour at 25°C. Samples were incubated with primary antibody (1/500 in PBS + 0.5% Tween-20) for 2 hours at 25°C. A Cy3®-conjugated goat anti-rabbit IgG monoclonal (1/250) was used as the secondary antibody.
Overlay histogram showing HeLa cells stained with unpurified ab79398 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (unpurified ab79398, 1/100 dilution) for 30 min at 22ºC. The secondary antibody used was DyLight® 488 goat anti-rabbit IgG (H+L) (ab96899) at 1/500 dilution for 30 min at 22ºC. Isotype control antibody (black line) was rabbit IgG (monoclonal) (1µg/1x106 cells) used under the same conditions. Acquisition of >5,000 events was performed.