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507858 PANSORBIN® Cells

PANSORBIN® Cells MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Staphylococcus aureus Cells

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507858
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Overview

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      507858-50GM
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          Description
          Overview

          PANSORBIN® Cells are heat-killed, formalin-fixed Staphylococcus aureus cells that have a coat of protein A and have been pickled by the method of Kessler. Useful for mitogenic stimulation of B lyphocytes and for immunoprecipitation.
          Catalogue Number507858
          Brand Family Calbiochem®
          SynonymsStaphylococcus aureus Cells
          References
          ReferencesKierszenbaum, F., et al. 1991. Immunology 74, 317.
          Meikle, P.J., et al. 1991. J. Biol. Chem. 266, 22569.
          Ezaki, O., et al. 1989. Biochem. Biophys. Res. Commun. 159, 1368.
          Murakami, H., et al. 1988. Biochem. J. 256, 917.
          Kessler, S.W. 1975. J. Immunol. 115, 1617.
          Product Information
          Activity≥2.0 mg human IgG/100 mg cells
          FormHomogeneous, milky suspension
          FormulationSupplied as a 10% suspension of Staphylococcus aureus cells in PBS, 0.1% NaN₃, pH 7.2.
          Quality LevelMQ100
          Applications
          Key Applications Immunoprecipitation
          Biological Information
          Physicochemical Information
          ContaminantsViable cells: ≤2500 cells/ml
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          Safety Information
          Product Usage Statements
          Storage and Shipping Information
          Ship Code Ambient Temperature Only
          Toxicity Standard Handling
          Storage +2°C to +8°C
          Do not freeze Yes
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          Global Trade Item Number
          Catalogue Number GTIN
          507858-1GM 04055977272499
          507858-50GM 04055977271942

          Documentation

          PANSORBIN® Cells SDS

          Title

          Safety Data Sheet (SDS) 

          PANSORBIN® Cells Certificates of Analysis

          TitleLot Number
          507858

          References

          Reference overview
          Kierszenbaum, F., et al. 1991. Immunology 74, 317.
          Meikle, P.J., et al. 1991. J. Biol. Chem. 266, 22569.
          Ezaki, O., et al. 1989. Biochem. Biophys. Res. Commun. 159, 1368.
          Murakami, H., et al. 1988. Biochem. J. 256, 917.
          Kessler, S.W. 1975. J. Immunol. 115, 1617.

          Citations

          Title
        • Kira Steigerwald, et al. (2005) The APC tumor suppressor promotes transcription-independent apoptosis in vitro. Molecular Cancer Research 3, 78-89.
          		•
          Data Sheet

          Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

          Revision06-May-2010 JSW
          SynonymsStaphylococcus aureus Cells
          DescriptionHeat-killed, formalin-fixed Staphylococcus aureus cells (Cowan I strain) that bear a high cell-surface density of protein A and have been pickled by the method of Kessler. Useful as a solid-phase IgG-binding reagent due to the high affinity interaction of protein A with the Fc domain of IgG. PANSORBIN® cells work best when the antibody is human (IgG1, IgG2, IgG4), rabbit IgG (all isotypes), or mouse (IgG2a, IgG2b, IgG3). Most common applications include immunoprecipitation and mitogenic stimulation of B lymphocytes.
          FormHomogeneous, milky suspension
          FormulationSupplied as a 10% suspension of Staphylococcus aureus cells in PBS, 0.1% NaN₃, pH 7.2.
          Recommended reaction conditions
          The procedures used for performing immunoprecipitations using PANSORBIN® cells are somewhat variable, but this protocol can serve as a general guideline. PANSORBIN® cells work best when the antibody is human (IgG1, IgG2, IgG4), rabbit IgG (all isotypes), or mouse (IgG2a, IgG2b, IgG3). Prewashing: 1. Transfer desired amount of PANSORBIN® cells to a microfuge tube (typically 10-30 µl of a 10% PANSORBIN® cell suspension per immunoprecipitation). 2. Centrifuge at 3000 x g for 5 min, or at maximum speed in a microfuge for 1 min at 4°C. 3. Aspirate the supernatant. 4. Resuspend to the original volume or in 1.0 ml of cold lysis buffer, whichever is greater. Mix gently. 5. Repeat wash (steps 2-4). 6. Resuspend the final pellet to the original volume (from step 1) in lysis buffer. 7. If kept sterile, washed PANSORBIN® cells are stable at 4°C. Pre-Clearing (Optional): Pre-clearing with PANSORBIN® cells prior to immunoprecipitation removes material that binds nonspecifically, reducing the background. 1. Add 10-30 µl of washed PANSORBIN® cells to the lysate prior to incubation with the primary antibody. 2. Incubate for 1 h on ice, mixing occasionally. 3. Centrifuge at 3000 x g for 5 min, or at maximum speed in a microfuge for 1 min at 4°C. 4. Transfer the supernatant to another microfuge tube and discard the pellet. Alternatively, the lysate can be pre-cleared with PANSORBIN® cells which have been pre-bound to nonspecific antiserum (see Secondary Antibody pre-binding procedure). Primary Antibody: 1. Add the required amount of primary antibody to the lysate. 2. Incubate for at least 1 h on ice, mixing occasionally. 3. If a secondary antibody step is not required or desired, proceed to the PANSORBIN® Step described below. Secondary Antibody: In some cases, a secondary antibody will be necessary. For example, if the primary antibody is mouse IgG1, it is best to use a rabbit anti-mouse IgG as a secondary antibody. If desired, the secondary antibody can be pre-bound to the PANSORBIN® cells to eliminate the loss of antibody-antigen complexes which have not bound to the protein A. 1. Incubate the desired amount of secondary antibody with prewashed PANSORBIN® cells for 45-60 min on ice. 2. Centrifuge at 3000 x g for 5 min, or at maximum speed in a microfuge for 1 min at 4°C. 3. Aspirate the supernatant and wash the lysis buffer. 4. Resuspend in lysis buffer to a volume equal to the original volume of PANSORBIN® cells which were added. Alternatively, the unbound secondary antibody and PANSORBIN® cells can be incubated with the sample sequentially, following primary antibody incubation. PANSORBIN® Step: 1. Add at least 10X the amount of PANSORBIN® cells (alone or bound to secondary antibody) needed to precipitate the primary (or secondary) antibody. PANSORBIN® cells bind about 2 mg of human IgG/ml. Typically, add 10-30 µl of PANSORBIN® cells per immunoprecipitation. This quantity gives a visible pellet. 2. Incubate for 1-2 h on ice, mixing regularly. 3. Centrifuge at 3000 x g for 5 min, or at maximum speed in a microfuge for 1 min at 4°C. 4. Wash PANSORBIN® pellet 2-3 times with lysis buffer. 5. If samples are to be loaded onto a polyacrylamide gel, the PANSORBIN® pellet can be resuspended in sample buffer, boiled for 10 min, centrifuged quickly (30 s in a microfuge at 20°C). Load the supernatant onto the gel. If a high background is observed, it may be necessary to pre-clear lysates, prebind the antibody to PANSORBIN® cells, or use a stronger lysis buffer (e.g. RIPA). This protocol is meant to serve as a guideline and may need to be modified for specific applications.
          ContaminantsViable cells: ≤2500 cells/ml
          Activity≥2.0 mg human IgG/100 mg cells
          Storage +2°C to +8°C
          Do Not Freeze Yes
          Toxicity Standard Handling
          ReferencesKierszenbaum, F., et al. 1991. Immunology 74, 317.
          Meikle, P.J., et al. 1991. J. Biol. Chem. 266, 22569.
          Ezaki, O., et al. 1989. Biochem. Biophys. Res. Commun. 159, 1368.
          Murakami, H., et al. 1988. Biochem. J. 256, 917.
          Kessler, S.W. 1975. J. Immunol. 115, 1617.
          Citation
        • Kira Steigerwald, et al. (2005) The APC tumor suppressor promotes transcription-independent apoptosis in vitro. Molecular Cancer Research 3, 78-89.
          		•

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