PE Mouse IgG1, κ Isotype Control
Clone MOPC-21 (RUO)
- Brand BD Pharmingen™
- Concentration 0.2 mg/ml
- Isotype Mouse IgG1, κ
Flow cytometry, Isotype control, Intracellular staining (flow cytometry) (Routinely Tested)
- Storage Buffer Aqueous buffered solution containing ≤0.09% sodium azide.
- Regulatory Status RUO
Regulatory Status Legend
The MOPC-21 immunoglobulin is a mouse myeloma protein. The MOPC-21 immunoglobulin was selected as an isotype control following screening for low background on a variety of mouse and human tissues.
- Format PE
- Excitation Source Blue 488 nm,Green 532 nm,Yellow/Green 561 nm
- Excitation Max 496 nm
- Emission Max 578 nm
R-phycoerythrin (PE) is an accessory photosynthetic pigment found in red algae. It exists in vitro as a 240-kDa protein with 23 phycoerythrobilin chromophores per molecule. This makes PE one of the brightest fluorochromes for flow cytometry applications, but its photobleaching properties make it unsuitable for fluorescence microscopy.
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Preparation and Storage
The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
The antibody was conjugated with R-PE under optimum conditions, and unconjugated antibody and free PE were removed.
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/pharmingen/protocols for technical protocols.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
Immunofluorescent Staining and Flow Cytometric Analysis: The PE-MOPC-21 immunoglobulins (Cat. No. 554680) is a suitable mouse IgG1κ isotype control for assessing the level of background staining on paraformaldehyde fixed/saponin-permeabilized mouse or human cells for flow cytometric analysis. Use at comparable concentrations to antibody of interest (e.g., ≤ 0.5 µg mAb/1 million cells), (see image, right panel). For specific methodology, visit the protocols section of our website, or the chapter on intracellular staining in the Immune Function Handbook, which is posted on our web site at www.bdbiosciences.com. The intracellular cytokine staining technique and the use of blocking controls are described in detail by C. Prussin and D. Metcalfe.