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Product Details
Synonyms
ERBB2, CD340, HER-2, neu, HER2, MLN19, NEU, NGL, TKR1
Source
Cynomolgus Her2, His Tag (HE2-C52Hb) is expressed from human 293 cells (HEK293). It contains AA Thr 23 - Thr 652 (Accession # XP_005584091.2).
Predicted N-terminus: Thr 23
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 71.2 kDa. The protein migrates as 85-100 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>95% as determined by SDS-PAGE.
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.
Shipping and Storage
This product is shipped at ambient temperature.
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 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Cynomolgus Her2, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
SEC-MALS
The purity of Cynomolgus Her2, His Tag (Cat. No. HE2-C52Hb) is more than 85% and the molecular weight of this protein is around 75-105 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Trastuzumab Biosimilar at 2 μg/mL (100 μL/well) can bind Cynomolgus Her2, His Tag (Cat. No. HE2-C52Hb) with a linear range of 1-31 ng/mL (QC tested).
Protocol
Immobilized Cynomolgus Her2, His Tag (Cat. No. HE2-C52Hb) at 1 μg/mL (100 μL/well) can bind Bispecific Antibody (Her2 × Her3) with a linear range of 0.1-2 ng/mL (Routinely tested).
Protocol
Immobilized Cynomolgus Her2, His Tag (Cat. No. HE2-C52Hb) at 1 μg/mL (100 μL/well) can bind Pertuzumab Biosimilar with a linear range of 0.1-2 ng/mL (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Hercecptin on AHC Biosensor, can bind Cynomolgus Her2, His Tag (Cat. No. HE2-C52Hb) with an affinity constant of 4.86 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Receptor protein-tyrosine kinase erbB-2
- Category：
- Approved Drugs：
47 Details
- Drugs in Clinical Trials：
238 Details
- Highest Development Stage：
Approved
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