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MAB4703 Anti-Caspase 3 Antibody, large subunit & proform, clone 4-1-18

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      Key Specifications Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      HWB, IH(P)MPurifiedMonoclonal Antibody
      Catalogue NumberMAB4703
      Brand Family Chemicon®
      Trade Name
      • Chemicon
      DescriptionAnti-Caspase 3 Antibody, large subunit & proform, clone 4-1-18
      Alternate Names
      • CPP32
      Product Information
      • POSITIVE CONTROL: 293 (human embryonic kidney) cell lysates
      PresentationPurified immunoglobulin by protein A. Liquid in PBS, pH 7.6, with 0.1% sodium azide.
      Quality LevelMQ100
      ApplicationAnti-Caspase 3 Antibody, large subunit & proform, clone 4-1-18 detects level of Caspase 3 & has been published & validated for use in WB, IH(P).
      Key Applications
      • Western Blotting
      • Immunohistochemistry (Paraffin)
      Application NotesWestern blot: 1:1000. The antibody will detect a band at 32 kDa corresponding to the inactive unprocessed form of caspase 3 as well as a 17-22 kDa band corresponding to the large subunit of active caspase 3.

      Immunohistochemistry (frozen and paraffin): 1:500.

      Optimal working dilutions must be determined by end user.
      Biological Information
      ImmunogenRecombinant full-length human caspase-3 protein
      Epitopelarge subunit & proform
      ConcentrationPlease refer to the Certificate of Analysis for the lot-specific concentration.
      SpecificityRecognizes the full length 32 kDa caspase-3 protein. Highly specific to caspase-3 and shows no cross-reaction with other caspase family members. Caspase-3 is ubiquitously expressed and like other caspases is synthesized as an inactive proenzyme. Upon activation, caspase-3 is cleaved generating two smaller subunits of 17 kDa and 12 kDa. Caspase-3 is one of the most extensively studied enzyme in apoptosis. Activation of caspase-3 occurs in response to a variety of apoptotic inducers.
      Species Reactivity
      • Human
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Entrez Gene SummaryThis gene encodes a protein which is a member of the cysteine-aspartic acid protease (caspase) family. Sequential activation of caspases plays a central role in the execution-phase of cell apoptosis. Caspases exist as inactive proenzymes which undergo proteolytic processing at conserved aspartic residues to produce two subunits, large and small, that dimerize to form the active enzyme. This protein cleaves and activates caspases 6, 7 and 9, and the protein itself is processed by caspases 8, 9 and 10. It is the predominant caspase involved in the cleavage of amyloid-beta 4A precursor protein, which is associated with neuronal death in Alzheimer's disease. Alternative splicing of this gene results in two transcript variants that encode the same protein.
      Gene Symbol
      • CASP3
      • apopain
      • CASP-3
      • procaspase3
      • CPP32B
      • SCA-1
      • CPP-32
      • Apopain
      • CPP32
      • Yama
      • EC [Contains: Caspase-3 subunit p17
      • Caspase-3 subunit p12].
      UniProt Number
      UniProt SummaryFUNCTION: SwissProt: P42574 # Involved in the activation cascade of caspases responsible for apoptosis execution. At the onset of apoptosis it proteolytically cleaves poly(ADP-ribose) polymerase (PARP) at a '216-Asp- -Gly-217' bond. Cleaves and activates sterol regulatory element binding proteins (SREBPs) between the basic helix-loop- helix leucine zipper domain and the membrane attachment domain. Cleaves and activates caspase-6, -7 and -9. Involved in the cleavage of huntingtin.
      SIZE: 277 amino acids; 31608 Da
      SUBUNIT: Heterotetramer that consists of two anti-parallel arranged heterodimers, each one formed by a 17 kDa (p17) and a 12 kDa (p12) subunit.
      TISSUE SPECIFICITY: Highly expressed in lung, spleen, heart, liver and kidney. Moderate levels in brain and skeletal muscle, and low in testis. Also found in many cell lines, highest expression in cells of the immune system.
      PTM: Cleavage by granzyme B, caspase-6, caspase-8 and caspase-10 generates the two active subunits. Additional processing of the propeptides is likely due to the autocatalytic activity of the activated protease. Active heterodimers between the small subunit of caspase-7 protease and the large subunit of caspase-3 also occur and vice versa.
      SIMILARITY: SwissProt: P42574 ## Belongs to the peptidase C14 family.
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsMaintain refrigerated at 2-8°C in undiluted aliquots for up to 12 months.
      Packaging Information
      Material Size100 µg
      Transport Information
      Supplemental Information
      Global Trade Item Number
      Catalog Number GTIN
      MAB4703 04053252359224


      Anti-Caspase 3 Antibody, large subunit & proform, clone 4-1-18 SDS


      Safety Data Sheet (SDS) 

      Anti-Caspase 3 Antibody, large subunit & proform, clone 4-1-18 Certificates of Analysis

      TitleLot Number
      MOUSE ANTI-CASPASE-3 [CPP32] - 3307746 3307746
      MOUSE ANTI-CASPASE-3 [CPP32] - 3720596 3720596
      MOUSE ANTI-CASPASE-3 [CPP32] - 4128032 4128032
      MOUSE ANTI-CASPASE-3 [CPP32]_2846352 2846352


      Reference overviewPub Med ID
      Cassia alata leaf extract induces cytotoxicity in A549 lung cancer cells via a mechanism that is caspase 8 dependent.
      A Levy,A Lewis
      The West Indian medical journal  60  2011

      Show Abstract
      22512216 22512216
      Growth of primary embryo cells in a microculture system.
      Villa M, Pope S, Conover J, Fan TH
      Biomed Microdevices  12  253-61.  2010

      Show Abstract
      20012208 20012208
      The marine lipopeptide somocystinamide A triggers apoptosis via caspase 8.
      Wrasidlo, W; Mielgo, A; Torres, VA; Barbero, S; Stoletov, K; Suyama, TL; Klemke, RL; Gerwick, WH; Carson, DA; Stupack, DG
      Proceedings of the National Academy of Sciences of the United States of America  105  2313-8  2008

      Show Abstract Full Text Article
      18268346 18268346

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      Product Families


      Life Science Research > Antibodies and Assays > Primary Antibodies