507858 | PANSORBIN® Cells

507858
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      Overview

      Replacement Information

      Key Specifications Table

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      507858-10GM
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          Glass bottle 10 gm
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          507858-1GM
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              Glass bottle 1 gm
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              507858-50GM
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                  507858-5GM
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                      Plastic ampoule 5 gm
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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.
                      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

                      Documentation

                      SDS

                      Title

                      Safety Data Sheet (SDS) 

                      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.

                      Brochure

                      Title
                      Antibody Sourcebook!" Second Edition
                      Hydroxylapatite Technical Bulletin
                      Pansorbin Booklet PDF (2.59 MB)

                      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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