Lyophilized from 0.22µm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Expression System:
HEK293
Purity:
> 95% as determined by Bis-Tris PAGE,> 95% as determined by HPLC
Form:
Lyophilized
Sequence:
Gln19-Pro139
Target:
CD47
Human CD47, His Tag captured on CM5 Chip via Anti-His Antibody can bind Human SIRP alpha, hFc Tag with an affinity constant of 18.9nM as determined in SPR assay (Biacore T200).
Immobilized Human CD47, His Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for Human SIRP alpha, hFc Tag with the EC50 of 82.1ng/ml determined by ELISA (QC Test).
The purity of Human CD47 is greater than 95% as determined by SEC-HPLC.
Human CD47 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
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