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Antibody - IBL

  • Question
    Q.Which isoform can be detected by this antibody?
  • Answer
    A.It does react to both intact and cleaved isoform (E41) of α2, 6-Sialyltransferase.
  • Question
    Q.Which Tob is detected by this antibody?
  • Answer
    A.The antibody both phosphorylated and non-phosphorylated Tob1 detects.
  • Question
    Q.What is the molecular size of Tob1?
  • Answer
    A.As the amino acid sequence of Tob1 is 345 a.a, it is approx. 38kDa based on the calculation.
    The molecular size of phosphorylated Tob1 is bigger than non-phosphorylated and the size is suggested as around 45kDa - 50kDa.
  • Question
    Q.What is the epitope?
  • Answer
    A.It is SVVYGLR.
  • Question
    Q.What is the epitope?
  • Answer
    A.It is KSKKFRRPDIQYPDATDE.
  • Question
    Q.What is immunogen sequence for this antibody?
  • Answer
    A.It is TVELAELGPLLEEKGKRV.
  • Question
    Q.Can human or rat sample be used for this antibody?
  • Answer
    A.No, it cannot.
  • Question
    Q.Which VEGF isoforms does this antibody detect?
  • Answer
    A.It detects VEGF165 and VEGF121.
  • Question
    Q.What is immunogen sequence for this antibody?
  • Answer
    A.It is GVVIA.
  • Question
    Q.Can this antibody be used for human T cell?
  • Answer
    A.Yes, it can. This antibody was used in the following publication. Please refer to it.

    Requirements for the functional expression of OX40 ligand on human activated CD4+ and CD8+ T cells.
    Kondo K et al. Hum Immunol. 2007 Jul;68(7):563-71. Epub 2007 Apr 13.
  • Question
    Q.Can this antibody be used for human T cell?
  • Answer
    A.Yes, it can.
  • Question
    Q.Why the antibody cannot be used as neutralizing antibody?
  • Answer
    A.As the catalog product contains BSA and NaN3, the antibody cannot be used as neutralizing antibody.
    However, if we specifically produce the antibody as customized product without BSA and NaN3 and sterilization for filling process in frozen, it can be used as neutralizing antibody.
    Please feel free to contact us if you are interested in the customized antibody.
  • Question
    Q.Can this antibody use for IHC as secondary antibody?
  • Answer
    A.No, it cannot be recommended for the use. A biotinized antibody is recommended to use for the purpose.
  • Question
    Q.How do you biotinylation the antibody?
  • Answer
    A.NHS-LC-Biotin is used for the biotinylation.
  • Question
    Q.What is subclass and light chain?
  • Answer
    A.The subclass is Rat IgG1. The light chain is lambda.
  • Question
    Q.How do you biotinylation the antibody?
  • Answer
    A.NHS-LC-Biotin is used for the biotinylation.
  • Question
    Q.Does the antibody cross react to mice?
  • Answer
    A.No, it doesn't.
  • Question
    Q.Does this antibody react to any APP isoform?
  • Answer
    A.As the antibody specifically reacts N-terminal of Amyloidβ, it does not react to APP, Aβ(2-40) and Aβ(3-40).
  • Question
    Q.How do you biotinylation the antibody?
  • Answer
    A.NHS-LC-Biotin is used for the biotinylation.
  • Question
    Q.Does this antibody react to any APP isoform?
  • Answer
    A.As the antibody specifically reacts N-terminal of Amyloidβ, it does not react to APP, Aβ(2-40) and Aβ(3-40).
  • Question
    Q.What is the recommended concentration of this antibody for use?
  • Answer
    A.It is 100μg/mL.
  • Question
    Q.I am struggling for staining using this antibody. Can you recommend any method for IHC?
  • Answer
    A.Please refer to the method written in this article.
  • Question
    Q.How much is approx. normal IgA in blood?
  • Answer
    A.Total IgA is approx 1-4mg/mL in blood.
  • Question
    Q.How much is approx. normal Gd-IgA in blood?
  • Answer
    A.As it is approx 1,000 ng/mL in blood, more than 200 fold dilution is recommended for measurement.
  • Question
    Q.Where the antibody (Anti-Gd-IgA1(KM55) rat IgG) recognize?
  • Answer
    A.It recognizes PST(GalNAc)PP.
    Please refer to this article.
  • Question
    Q.According to the data sheet of the antibody (KM55), immunogen activation treatment is required when performing immunohistochemical staining (IHC) using KM55 with formalin fixed paraffin embedded tissues.
    Why is the treatment required?
  • Answer
    A.The targeted antigen might be masked by the fixation process in immunohistochemical staining.
    For avoiding such masking effects, immunogen activation (enzymatic treatment or heat treatment) is required for exposing the targeted antigen.
    Subtilisin A treatment is recommended for IHC using the antibody (KM55).
  • Question
    Q.I am considering to conduct immunohistochemistry. How many prepalates can be stained with 100ug?
  • Answer
    A.KM55 is 100ug/1mL.
    Usually, 0.1-0.2mL/preparate is used. This means 5-10 prepalates can be stained.
  • Question
    Q.Can this antibody be used for mice lysate?
  • Answer
    A.The antigen, GST-TobN that is used in the article is fusion protein of N-terminal 168 amino acids of Tob protein and GST.
    The sequence of this region is same between human and mouse.
    Therefore, theoretically it would be possible to detect using by the antibody #18911 with mice sample but as we have not tested, we cannot be certain about the point.
  • Question
    Q.What species of monkey is used for absorbing this product?
  • Answer
    A.The crab-eating macaque (cynomolgus monkey).
  • Question
    Q.Does this antibody cross react to mouse samples?
  • Answer
    A.Cross reactivity with mouse samples is not so strong when it's compared with human samples. But we have confirmed this antibody detects mouse sAPPα.
  • Question
    Q.What positive controls are used for this antibody?
  • Answer
    A.Recombinant 27A and 27B (lysates of transfectant cell) are used as the positive control.
  • Question
    Q.What is the epitope?
  • Answer
    A.The position is between 65 and 120 of amino acid sequences of human Galectin-3.
  • Question
    Q.What is the epitope?
  • Answer
    A.The position is between 65 and 120 of amino acid sequences of human Galectin-3.
  • Question
    Q.What region of the protein is recognized?
  • Answer
    A.The antibody recognizes the region contains arginine located at position 112 of amino acid sequences of human ApoE4.