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MABF2793-100UL Anti-Smith Antigen Antibody, clone Y12

Anti-Smith Antigen, clone Y12, Cat. No. MABF2793, a mouse monoclonal antibody detects Smith antigen and is tested in ELISA, Immunohistochemistry, Immunofluorescence, Immunoprecipitation, RIA, RNA Binding Protein IP (RIP), and Western Blotting.

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MABF2793-100UL
100 µL  
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      Replacement Information
      Description
      Catalogue NumberMABF2793-100UL
      DescriptionAnti-Smith Antigen Antibody, clone Y12
      Alternate Names
      • Sm Antigen
      Background InformationSystemic lupus erythematosus (SLE) is a chronic autoimmune disease with a wide range of clinical manifestations and the presence of multiple autoantibodies. Anti-Smith antibodies are highly specific for SLE and are reported to be of importance in the classification of this disease. Smith antigens (Sm) are RNase resistant, non-histone nuclear proteins that are composed of several polypeptides of differing molecular weights. They include B, B , D1, D2, D3, E, F, and G polypeptides and associate with small ribonucleoproteins U1, U2, U4, U5, and U6. They are reported to be essential for the splicing of pre-mRNA in eukaryotes. Of these D1 and D3 are the most common antigens recognized by anti-Sm antibodies found in SLE subjects. Although Sm proteins are antigenically conserved and exist as RNA-protein complex, RNA does not play a major role in its antigenicity. Clone Y12 is reported to strongly react with native D1, D3, and B in immunoblot applications, but not with recombinantly expressed D1. It requires symmetrical dimethylarginines (sDMAs) for antigen recognition. This clone is reported to recognize an linear epitope (aa 95-119) in human D1 protein. (Ref.: Brahms, H., et al. (2000). J. Biol. Chem. 275(22); 17122-17129; Pettersson, I., et al. (1984). J. Biol. Chem. 259(9); 5907-5914; Dang, H., et al. (1983). J. Immunol 130(6); 2782-2785).
      References
      Product Information
      FormatPurified
      PresentationPurified mouse monoclonal antibody IgG3 in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.
      Quality LevelMQ200
      Applications
      ApplicationAnti-Smith Antigen, clone Y12, Cat. No. MABF2793, a mouse monoclonal antibody detects Smith antigen and is tested in ELISA, Immunohistochemistry, Immunofluorescence, Immunoprecipitation, RIA, RNA Binding Protein IP (RIP), and Western Blotting.
      Key Applications
      • ELISA
      • Immunohistochemistry
      • Immunofluorescence
      • Immunoprecipitation
      • Radioimmunoassay
      • RNA Binding Protein Immunoprecipitation (RIP)
      • Western Blotting
      Application NotesTested Applications

      Western Blotting Analysis: A 1:500 dilution from a representative lot detected Smith Antigen in Caco-2 cell lysate.

      Immunocytochemistry Analysis: A representative lot detected Smith Antigen in Immunocytochemistry (dos Santos, N.R. et al. (1997). Hum Mol Genet. 6(9): 1549-58).

      Western Blotting Analysis: A representative lot detected Smith Antigen in Western Blotting applications (Naro, C. et al. (2019). Cell Rep. 26(11): 2929-2941; Somarelli, J.A., et al. (2011). Lupus. 20(3): 274-89; Brahms, H. et al. (2000). J Biol Chem. 275(22): 17122-9).

      RNA Binding Protein Immunoprecipitation (RIP): A representative lot detected Smith Antigen in RNA Binding Protein Immunoprecipitation applications (Naro, C. et al. (2019). Cell Rep. 26(11):2929-2941).

      Immunohistochemistry (Paraffin) Analysis: A 1:250 dilution from a representative lot detected Smith Antigen in human tonsil tissue sections.

      ELISA Analysis: A representative lot detected Smith Antigen in ELISA applications (Zhou, Y, et al. (2017). J Immunol. 198(5):1846-1854).

      Immunohistochemistry Applications: A representative lot detected Smith Antigen in Immunohistochemistry applications (Mirra, A., et al. (2017). Sci Rep. 7(1):2033).

      Immunoprecipitation Analysis: A representative lot immunoprecipitated Smith Antigen in Immunoprecipitation applications (Learner, E.A., et al. (1981). Proc Natl Acad Sci USA. 78(5):2737-41; Naro, C. et al. (2019). Cell Rep. 26(11): 2929-2941; Mirra, A., et al. (2017). Sci Rep.;7(1): 2033; Fischer, U. et al. (1997). Cell. 90(6):1023-9).

      Radioimmunoassay: A representative lot detected Smith Antigen in Radioimmunoassay applications (Learner, E.A., et al. (1981). Proc Natl Acad Sci USA.;78(5):2737-41).

      Immunofluorescence Analysis: A representative lot detected Smith Antigen in Immunofluorescence applications (Learner, E.A., et al. (1981). Proc Natl Acad Sci USA.78(5):2737-41; Mirra, A., et al. (2017). Sci Rep. 7(1):2033).

      Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user
      Biological Information
      ImmunogenHuman Smith antigen.
      EpitopeUnknown
      CloneY12
      Concentration0.5 mg/mL. Please refer to guidance on suggested starting dilutions and/or titers per application and sample type.
      HostMouse
      SpecificityClone Y12 is a mouse monoclonal antibody that detects Smith Antigen.
      IsotypeIgG3κ
      Species Reactivity
      • Human
      • Mouse
      Species Reactivity NoteHuman, Mouse
      Antibody TypeMonoclonal Antibody
      Purification MethodProtein G purified
      UniProt Number
      Molecular Weight~25 kDa observed. Uncharacterized bands may be observed in some lysate(s).
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blotting in HCT116 cell lysate.

      Western Blotting Analysis: A 1:500 dilution of this antibody detected Smith Antigen in HCT116 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 ConditionsRecommend storage at +2°C to +8°C. For long term storage antibodies can be kept at -20°C. Avoid repeated freeze-thaws.
      Packaging Information
      Material Size100 µL
      Transport Information
      Supplemental Information
      Specifications
      Global Trade Item Number
      Numero di catalogo GTIN
      MABF2793-100UL 04065267216683