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Product Details
Source
Monoclonal Anti-G4S linker Antibody, Rabbit IgG (016) is a rabbit monoclonal antibody recombinantly expressed from human 293 cells (HEK293), which provides higher batch consistency and long term security of supply. It shows superior performance in flow cytometry assays with higher affinity and better specificity.
Antibody Type
Recombinant Monoclonal
Clone
016
Isotype
Rabbit IgG, Kappa
Host Species
Rabbit
Conjugate
APC
Excitation Wavelength: 640 nm
Emission Wavelength: 661 nm
Specificity
It can specifically recognize proteins or ScFv containing (G3S)n or (G4S)n linkers, where n = 2, 3, 4... That is, it can recognize linkers with a minimum length of 2 repeats for both (G3S)n and (G4S)n.
Application
Flow Cytometry (Evaluation of cell surface expressed CARs of varying specificity containing a G4S linker within the scFv of the extracellular domain).
Recommended Dilution
1:50
Form
Lyophilized
Formulation
Lyophilized from a 0.22 μm-filtered solution in PBS (pH 7.4) containing 0.03% ProClin 300 and 0.2% BSA, with trehalose as protectant.
Please contact us for customized product forms or formulations.
Reconstitution
Please refer to the Certificate of Analysis (CoA) for specific instructions.
Shipping
Lyophilized product is shipped at ambient temperature.
Storage
For long term storage, the product should be stored in a lyophilized state at -20°C or lower.
Please protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 24 months in lyophilized state;
- -70°C for 12 months after reconstitution.
- 2-8 °C for 12 months after reconstitution.
Notices
Product Specific Notices: For research use only.
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Data Display
Bioactivity-Flow Cytometry
Flow cytometric analysis of Anti-MSLN CAR-293 cells staining with APC-Labeled Monoclonal Anti-G4S linker Antibody, Rabbit IgG (016) (Cat. No.G4S-AFMY25) at 1:50 dilution (2 μL of the antibody stock solution corresponds to labeling of 1e6 cells in a final volume of 100 µL), compared withisotype control antibody. APC signal was used to evaluate the binding activity (QC tested).
Protocol
Non-specificity of APC-Labeled Monoclonal Anti-G4S linker Antibody, Rabbit IgG (016) (Cat. No. G4S-AFMY25) binding to CD3+ cellspresent in human PBMC. 5e5 of human PBMCs were simultaneously stained with FITC-labeled anti-CD3 antibody and APC-LabeledAnti-G4S Linker Antibody (016) (2 μL of the antibody stock solution corresponds to labeling of 5e5 cells in a final volume of 100 µL) andwashed and then analyzed with FACS. Both APC and FITC positive signals was used to evaluate the non-specific binding activity tohuman CD3+ cells (QC tested).
Protocol
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FAQ
- product
Can lyophilized proteins remain stable during room-temperature shipping or temporary room-temperature exposure?
In general, lyophilized proteins remain stable during room-temperature shipping or temporary exposure to room-temperature conditions.
Many ACROBiosystems recombinant proteins are supplied in lyophilized (freeze-dried) form. The lyophilization process effectively removes moisture from the product, helping reduce degradation-related reactions and improve protein stability during transportation and storage.
To evaluate the stability of lyophilized proteins under normal temperature conditions, ACROBiosystems conducted a stability study on 11 representative lyophilized protein products at 37°C. The study demonstrated that these proteins maintained good quality stability after storage at 37°C for approximately 20 days. Based on these validation results, temporary room-temperature exposure during shipping or handling is generally not expected to have a significant impact on product quality or downstream application performance.
To ensure optimal long-term stability, products should be stored according to the storage conditions specified in the product Certificate of Analysis (COA) upon receipt.
Supporting Document
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