Synonym
ERBB2, CD340, HER-2, neu, HER2, MLN19, NEU, NGL, TKR1
Source
Biotinylated Human Her2, His,Avitag, premium grade (HE2-H82E2) is expressed from human 293 cells (HEK293). It contains AA Thr 23 - Thr 652.
Predicted N-terminus: Thr 23
It is produced under our rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests. Product performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage.
Molecular Characterization

Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Biotinylation
As determined by Quantitative ELISA binding assay against streptavidin.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Host Cell Protein
<0.5 ng/µg of protein tested by ELISA.
Host Cell DNA
<0.02 ng/μg of protein tested by qPCR.
Sterility
Negative
Mycoplasma
Negative
Purity
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please 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 under sterile conditions after reconstitution.