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This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 55.8 kDa.
APC
Excitation Wavelength: 640 nm
Emission Wavelength: 661 nm
>90% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, 0.2% BSA, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
5e5 of anti-CD4 (Ibalizumab) CAR-293 cells were stained with 100 μL of 1:50 dilution (2 μL stock solution in 100 μL FACS buffer) of APC-Labeled Human CD4 Protein, His Tag (Cat. No. CD4-HA2H9) and negative control protein respectively (Fig. C and B), and non-transfected 293 cells were used as a control (Fig. A). APC signal was used to evaluate the binding activity (QC tested).
5e5 of PBMCs were stained with APC-Labeled Human CD4 Protein, His Tag (Cat. No. CD4-HA2H9) and anti-CD3 antibody, washed and then analyzed with FACS. FITC signal was used to evaluate the expression of CD3+ T cells in PBMCs, and APC signal was used to evaluate the non-specific binding activity to PBMCs (QC tested).
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