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A synthetic peptide corresponding to residues following Ser29 of human caspase-3 (N-terminus of p17 subunit).
Rat: We have preliminary internal testing data to indicate this antibody may not react with these species. Please contact us for more information.
Produced using Abcam's RabMAb® technology. RabMAb® technology is covered by the following U.S. Patents, No. 5, 675, 063 and/or 7, 429, 487.
Our Abpromise guarantee covers the use of ab32499 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|ICC/IF||Use a concentration of 5 µg/ml.|
|WB||1/10000. Detects a band of approximately 35 kDa (predicted molecular weight: 31 kDa).|
|IHC-P||Use at an assay dependent concentration.|
ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
Lane 1: Wild-type HAP1 cell lysate
Lane 2: Wild-type HAP1 cell lysate + Stuarosporine (1μM for 4h)
Lane 3: Caspase-3 knockout HAP1 cell lysate
Lane 4: Caspase-3 knockout HAP1 cell lysate + Stuarosporine (1μM for 4h)
Lanes 1 - 4: Merged signal (red and green). Green - ab32499 observed at 35 kDa. Red - loading control, ab8245, observed at 37 kDa.
ab32499 was shown to specifically react with pro Caspase 3 when Caspase 3 knockout samples were used. Wild-type and Caspase 3 knockout samples (± Staurosporine treatment) were subjected to SDS-PAGE. ab32499 and ab8245 (loading control to GAPDH) were diluted to 1/1000 and 1/10000 respectively and incubated overnight at 4°C. Blots were developed with goat anti-rabbit IgG (H + L) and goat anti-mouse IgG (H + L) secondary antibodies at 1/10000 dilution for 1 hour at room temperature before imaging.
ICC/IF image of ab32499 stained HeLa cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab32499, 5µg/ml) overnight at +4°C. The secondary antibody (green) was ab96899, anti-rabbit DyLight® 488 used at a 1/250 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.
Overlay histogram showing Jurkat cells stained with ab32499 (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 (ab32499, 1/50 dilution) for 30 min at 22ºC. The secondary antibody used was anti-rabbit DyLight® 488 (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.