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分子别名（Synonym）
ERBB2, CD340, HER-2, neu, HER2, MLN19, NEU, NGL, TKR1
表达区间及表达系统（Source）
FITC-Labeled Human Her2, His Tag (HE2-HF224) is expressed from human 293 cells (HEK293). It contains AA Thr 23 - Thr 652 (Accession # P04626-1). It is the FITC labeled form of Human Her2, His Tag (Cat. No. HE2-H5225).
Predicted N-terminus: Thr 23
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 70.2 kDa. The protein migrates as 80-100 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
FITC
Excitation source: 488 nm spectral line, argon-ion laser
Excitation Wavelength: 488 nm
Emission Wavelength: 535 nm
标记（Labeling）
The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with FITC using standard chemical labeling method. The residual FITC is removed by molecular sieve treatment during purification process.
蛋白标记度（Protein Ratio）
The FITC to protein molar ratio is 1.5-2.5.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（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.
存储（Storage）
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
质量管理控制体系（QMS）
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数据展示
电泳（SDS-PAGE）
FITC-Labeled Human 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 90%.
活性（Bioactivity）-ELISA
Immobilized Trastuzumab at 0.5 μg/mL (100 μL/well) can bind FITC-Labeled Human Her2, His Tag (Cat. No. HE2-HF224) with a linear range of 0.02-0.313 μg/mL (QC tested).
Protocol
活性（Bioactivity）-FACS
2e5 of Anti-Her2 CAR-293 were stained with 100 μL of 1 μg/mL of FITC-Labeled Human Her2, His Tag (Cat. No. HE2-HF224) and negative control protein respectively, FITC signal was used to evaluate the binding activity (QC tested).
Protocol
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