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A synthetic peptide corresponding to residues following Ser29 of human caspase-3 (N-terminus of p17 subunit).
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.
Rat: We have preliminary internal testing data to indicate this antibody may not react with these species. Please contact us for more information.
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.