Dieses ErbB2/Her2 Protein ist gelabelt mit His tag.
Sequenz
Thr23-Thr652
Reinheit
> 95% as determined by Tris-Bis PAGE,> 95% as determined by HPLC
Sterilität
0.22 μm filtered
Endotoxin-Niveau
Less than 1EU per μg by the LAL method.
Biological Activity Comment
Immobilized Cynomolgus Her2, His Tag at 0.2μg/ml (100μl/Well) on the plate. Dose response curve for Anti-Her2 Antibody, hFc Tag with the EC50 of 13.8ng/ml determined by ELISA. See testing image for detail.
Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/mL is recommended (usually we use 1 mg/mL solution for lyophilization). Dissolve the lyophilized protein in distilled water.
Buffer
Lyophilized from 0.22μm filtered solution in PBS ( pH 7.4). Normally 8 % trehalose is added as protectant before lyophilization.
Lagerung
4 °C,-80 °C
Informationen zur Lagerung
Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
ErbB2, also called Neu and Her2 (human epidermal growth factor receptor 2), is a type I membrane glycoprotein that is a member of the ErbB family of tyrosine kinase receptors. ErbB family members serve as receptors for the epidermal growth factor (EGF) family of growth factors.Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane.
Molekulargewicht
70.4 kDa. Due to glycosylation, the protein migrates to 85-105 kDa based on Tris-Bis PAGE result.