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Overview
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Product name
Anti-Caspase-7 antibody [E22] - BSA and Azide free
See all Caspase-7 primary antibodies -
Description
Rabbit monoclonal [E22] to Caspase-7 - BSA and Azide free
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Host species
Rabbit
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Specificity
The antibody should recognize both pro-form and p20 cleaved-form. The antibody does not cross-react with other Caspase family members.
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Tested applications
Suitable for: WB, IP, IHC-P, Flow Cyt (Intra), ICC/IFmore details
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Species reactivity
Reacts with: Human
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Immunogen
Synthetic peptide. This information is proprietary to Abcam and/or its suppliers.
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Positive control
- WB: Jurkat and HeLa whole cell lysate (ab150035).IHC-P: Human skin cancer tissue.ICC/IF: HeLa cells.Flow Cyt (intra): HeLa cells.IP: Jurkat cell lysates
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General notes
ab284673 is the carrier-free version of ab32522
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. The carrier-free buffer and high concentration allow for increased conjugation efficiency.
This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with <1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
The Life Science industry has been in the grips of a reproducibility crisis for a number of years. Abcam is leading the way in addressing this with our range of recombinant monoclonal antibodies and knockout edited cell lines for gold-standard validation. Please check that this product meets your needs before purchasing.
If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, along with publications, customer reviews and Q&As
Properties
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Form
Liquid
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Storage instructions
Shipped at 4°C. Store at +4°C.
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Storage buffer
pH: 7.2
Constituent: 100% PBS -
Carrier free
Yes
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![Anti-Caspase-7 antibody [E22] - BSA and Azide free KO Tested (ab284673) (2)](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== "Anti-Caspase-7 antibody [E22] - BSA and Azide free KO Tested (ab284673) (2)")
Concentration information loading... -
Purity
Protein A purified
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Clonality
Monoclonal
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Clone number
E22
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Isotype
IgG
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Research areas
- Cell Biology
- Apoptosis
- Intracellular
- Caspases etc
- Caspases
- Cancer
- Invasion/microenvironment
- Apoptosis
- Caspases
- Cell Biology
- Proteolysis / Ubiquitin
- Proteolytic enzymes
- Other proteases
- Metabolism
- Pathways and Processes
- Metabolism processes
- Apoptosis
- Cancer
- Cell Death
- Apoptosis
- Apoptosis Markers
- Caspases
- Cancer
- Cell Death
- Apoptosis
- Metabolism
- Neuroscience
- Processes
![Anti-Caspase-7 antibody [E22] - BSA and Azide free KO Tested (ab284673) (2)](https://i0.wp.com/www.abcam.com/ps/images/please_wait_small.gif "Anti-Caspase-7 antibody [E22] - BSA and Azide free KO Tested (ab284673) (2)")
Applications
The Abpromise guarantee
Our Abpromise guarantee covers the use of ab284673 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
| Application | Abreviews | Notes |
|---|---|---|
| WB | Use at an assay dependent concentration. Predicted molecular weight: 34 kDa. | |
| IP | Use at an assay dependent concentration. | |
| IHC-P | Use at an assay dependent concentration. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. | |
| Flow Cyt (Intra) | Use at an assay dependent concentration. | |
| ICC/IF | Use at an assay dependent concentration. |
| Notes |
|---|
| WB |
| IP |
| IHC-P |
| Flow Cyt (Intra) |
| ICC/IF |
Target
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Function
Involved in the activation cascade of caspases responsible for apoptosis execution. Cleaves and activates sterol regulatory element binding proteins (SREBPs). Proteolytically cleaves poly(ADP-ribose) polymerase (PARP) at a '216-Asp-
-Gly-217' bond. Overexpression promotes programmed cell death. -
Tissue specificity
Highly expressed in lung, skeletal muscle, liver, kidney, spleen and heart, and moderately in testis. No expression in the brain.
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Sequence similarities
Belongs to the peptidase C14A family.
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Post-translational
modificationsCleavages by granzyme B or caspase-10 generate the two active subunits. Propeptide domains can also be cleaved efficiently by caspase-3. Active heterodimers between the small subunit of caspase-7 and the large subunit of caspase-3, and vice versa, also occur.
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Cellular localization
Cytoplasm.
- Information by UniProt
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Database links
- Entrez Gene: 840 Human
- Omim: 601761 Human
- SwissProt: P55210 Human
- Unigene: 9216 Human
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Alternative names
- Apoptotic protease Mch-3 antibody
- Apoptotic protease MCH3 antibody
- CASP-7 antibody
see all
Images
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Western blot - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
All lanes : Anti-Caspase-7 antibody [E22] (ab32522) at 1/1000 dilution
Lane 1 : Wild-type HeLa cell lysate
Lane 2 : CASP7 knockout HeLa cell lysateLysates/proteins at 20 µg per lane.
Performed under reducing conditions.
Predicted band size: 34 kDa
Observed band size: 38 kDa why is the actual band size different from the predicted?This data was developed using ab32522, the same antibody clone in a different buffer formulation.
Lanes 1- 2: Merged signal (red and green). Green - ab32522 observed at 38 kDa. Red - Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) observed at 50 kDa.
ab32522 was shown to react with pro Caspase-7 in wild-type HeLa cells in western blot. Loss of signal was observed when knockout cell line ab265777 (knockout cell lysate ab257380) was used. Wild-type HeLa and CASP7 knockout HeLa cell lysates were subjected to SDS-PAGE. ab32522 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) overnight at 4°C at a 1 in 1000 dilution and a 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye®800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye®680RD) preadsorbed (ab21677 secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.
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Western blot - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
Anti-Caspase-7 antibody [E22] (ab32522) at 1/1000 dilution + Jurkat cell lysate
Predicted band size: 34 kDa
Observed band size: 34 kDaThis data was developed using ab32522, the same antibody clone in a different buffer formulation.
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Western blot - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
This data was developed using ab32522, the same antibody clone in a different buffer formulation.
Lane 1: Wild type HAP1 whole cell lysate (20 µg)
Lane 2: Wild type HAP1 + Staurosporine ab120056 whole cell lysate (20 µg)
Lane 3:CASP7 knockout HAP1 whole cell lysate (20 µg)
Lane 4: CASP7 + Staurosporine knockout HAP1 whole cell lysate (20 µg
Lane 5:HeLa whole cell lysate (20 µg)
Lane 6:HeLa + Staurosporine whole cell lysate (20 µg)
Lanes 1 - 6: Merged signal (red and green). Green - ab32522 observed at 38 kDa. Red - loading control, ab18058, observed at 130 kDa.
ab32522 was shown to specifically react with HAP1 + Staurosporine when HAP1 + Staurosporine knockout samples were used. Wild-type and HAP1 + Staurosporine knockout samples were subjected to SDS-PAGE. "
Ab32522 and ab18058 (Mouse anti Vinculin loading control) were incubated overnight at 4°C at 1000 dilution and 1/10000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed ab216776 secondary antibodies at 1/20000 dilution for 1 hour at room temperature before imaging.
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Immunocytochemistry/ Immunofluorescence - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
This data was developed using ab32522, the same antibody clone in a different buffer formulation.
Immunofluorescent staining of HeLa cells using ab32522 at 1:100 dilution.
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Flow Cytometry (Intracellular) - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
This data was developed using ab32522, the same antibody clone in a different buffer formulation.
Intracellular Flow Cytometry analysis of HeLa (human cervix adenocarcinoma) cells labeling Caspase-7 (red) with ab32522 at a 1/250 dilution. Cells were fixed with 4% paraformaldehyde and permeabilized with 90% methanol. A goat anti-rabbit IgG (Alexa Fluor® 488) (ab150077) was used as the secondary antibody at a 1/2000 dilution. Black - Rabbit monoclonal IgG (ab172730). Blue (unlabeled control) - Cells without incubation with the primary and secondary antibodies.
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Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
This data was developed using ab32522, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin embedded human skin cancer tissue using ab32522 at 1:50 dilution.
Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
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Immunoprecipitation - Anti-Caspase-7 antibody [E22] - BSA and Azide free (ab284673)
This data was developed using ab32522, the same antibody clone in a different buffer formulation.
Purified ab32522 at 1/20 dilution (1µg) immunoprecipitating Caspase-7 in Jurkat whole cell lysate.
Lane 1 (input): Jurkat (Human T cell leukemia T lymphocyte) whole cell lysate 10µg
Lane 2 (+): ab32522 + Jurkat whole cell lysate.
Lane 3 (-): Rabbit monoclonal IgG (ab172730) instead of ab32522 in Jurkat whole cell lysate.
VeriBlot for IP Detection Reagent (HRP) (ab131366) (1/1000 dilution) was used for Western blotting.
Blocking Buffer and concentration: 5% NFDM/TBST.
Diluting buffer and concentration: 5% NFDM/TBST.
Observed band size: 34 kDa
Protocols
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
Click here to view the general protocols
Datasheets and documents
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Datasheet download
Download
Certificate of Compliance
References (0)
Publishing research using ab284673? Please let us know so that we can cite the reference in this datasheet.
ab284673 has not yet been referenced specifically in any publications.
Customer reviews and Q&As
![Anti-Caspase-7 antibody [E22] - BSA and Azide free KO Tested (ab284673) (2024)](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/h8AAvMB+NzmkbcAAAAASUVORK5CYII=)