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MABT524 Anti-Cortactin (p80/85) Antibody, clone 5G3.2

This mouse monoclonal Anti-Cortactin (p80/85), clone 5G3.2 Antibody, Cat. No. MABT524 is validated for use in Western Blotting for the detection of Cortactin.

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Research Category: Cell Structure Gene Symbol: CTTN, EMS1 UniProt Number: Q14247
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MABT524
100 µL  
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      Tableau de caractéristiques principal

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      MWBMPurifiedMonoclonal Antibody
      Description
      Catalogue NumberMABT524
      DescriptionAnti-Cortactin (p80/85) Antibody, clone 5G3.2
      Alternate Names
      • Src substrate cortactin
      • Amplaxin
      • Oncogene EMS1
      Background InformationSrc substrate cortactin (UniProt Q14247; also known as Amplaxin, Oncogene EMS1) is encoded by the CTTN (also known as EMS1) gene (Gene ID 2017) in human. Cortactin is a cytosolic protein that promotes polymerization and rearrangement of the actin cytoskeleton, especially the actin cortex around the cellular periphery. Cortactin is activated via phosphorylation by upstream kinases in response to extracellular stimuli. Src is known to phosphorylate cortactin on Tyr421, Tyr466, and Tyr482, leading to cortactin interaction with F-actin and Arp2/3. Erk can also phosphorylate cortactin on Ser405 and Ser418, causing recruitment of additional actin nucleation-promoting factors (NPFs), most importantly N-WASP, to the Arp2/3/ complex. Phosphorylated cortactin thus recruits and stabilizes Arp2/3 complex on preexisting F-actin, providing a nucleation site for a new actin branch to form. Cortactin overexpression in tumor cells enhances invasiveness as a result of highly active lamellipodia formation, also known as invadopodia. Cortactin contains an N-terminal aspartic acid-aspartic acid-tryptophan (DDW) sequence (a.a. 29-31 in chicken; a.a. 20-22 in human & mouse) that mediates its interaction with Arp2/3, followed by six and a half repeat sequences (a.a. 80-125, 126-162, 163-199, 200-236, 237-273, 274-310, 311-333 in chicken; a.a. 80-116, 117-153, 154-190, 191-227, 228-264, 265-301, 302-324 in human and mouse) that mediates F-actin interaction, a proline-rich coiled coil domain (a.a. 349-410 in chicken; a.a. 348-401 in human and mouse) that mediates Src SH3 domain interaction, and a C-terminal SH3 domain (a.a. 505-563 in chicken; a.a. 492-550 in human a.a. 488-546 in mouse) that contains Erk phosphorylation sites and is important for cortactin interaction with NPFs other than Arp2/3.
      Product Information
      FormatPurified
      PresentationPurified mouse IgG2b in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
      Quality LevelMQ100
      Applications
      ApplicationThis mouse monoclonal Anti-Cortactin (p80/85), clone 5G3.2 Antibody, Cat. No. MABT524 is validated for use in Western Blotting for the detection of Cortactin.
      Key Applications
      • Western Blotting
      Biological Information
      ImmunogenGST-tagged recombinant human cortactin fragment comprising cortactin repeats 3-6.
      Clone5G3.2
      ConcentrationPlease refer to lot specific datasheet.
      HostMouse
      SpecificityClone 5G3.2 epitope lies within the region containing cortactin repeats 3-6. Reactivity toward human spliced isoforms 2&3 that lack cortactin repeat 6 is possible, but has not been confirmed.
      IsotypeIgG2bκ
      Species Reactivity
      • Mouse
      Species Reactivity NoteMouse. Predicted to react with Human based on 100% sequence homology.
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • CTTN
      • EMS1
      Purification MethodProtein G purified.
      UniProt Number
      Molecular Weight~75 kDa observed. Target band size appears larger than the calculated molecular weights of 61.59/70.96/57.47 kDa (human isoform 1/2/3) and 61.25 kDa (mouse) due to posttranslational modification. Uncharacterized bands may be observed in some lysate(s).
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blotting in 3T3/A31 cell lysate.

      Western Blotting Analysis: A 1:1,000 dilution of this antibody detected cortactin in 10 µg of 3T3/A31 cell lysate.
      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 ConditionsStable for 1 year at 2-8°C from date of receipt.
      Packaging Information
      Material Size100 µL
      Global Trade Item Number
      Référence GTIN
      MABT524 04054839055058