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Active Maltose Binding Protein (MBP)
- Product No.APX185Ge01
- Organism SpeciesPan-species (General) Same name, Different species.
- Buffer FormulationPBS, pH7.4, containing 0.01% SKL, 5% Trehalose.
- Traits Freeze-dried powder
- Purity> 95%
- Isoelectric Point6.2
- ApplicationsCell culture; Activity Assays.
- DownloadInstruction Manual
- UOM 10µg50µg 200µg 1mg 5mg
- FOB
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ACTIVITY TEST
Maltose binding protein (MBP) encoded by the malE gene in Escherichia coli, is a 44-kD monomeric periplasmic protein. MBP is component of the Escherichia coli maltose/maltodextrin system, which regulates the uptake and catabolism of maltrodextrins as part of the chemotactic response. This protein is used in recombinant protein expression as an affinity and solubility tag. Glutathione S Transferase Alpha 3 (GSTa3) has been identified as an interactor of MBP, thus a functional binding ELISA assay was conducted to detect the interaction of recombinant MBP and recombinant mouse GSTa3. Briefly, biotin-linked MBP were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100 ul were then transferred to GSTa3-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST 3 times and incubation with Streptavidin-HRP for 30min, then wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50 µl stop solution to the wells and read at 450 nm immediately. The binding activity of recombinant MBP and recombinant mouse GSTa3 was shown in Figure 1, the EC50 for this effect is 0.46 ug/mL.
USAGE
Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
STORAGE
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.
STABILITY
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.
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| Catalog No. | Related products for research use of Pan-species (General) Organism species | Applications (RESEARCH USE ONLY!) |
| RPX185Ge01 | Recombinant Maltose Binding Protein (MBP) | Positive Control; Immunogen; SDS-PAGE; WB. |
| APX185Ge01 | Active Maltose Binding Protein (MBP) | Cell culture; Activity Assays. |