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分子别名（Synonym）
TACSTD2,GA733-1,M1S1,TROP2
表达区间及表达系统（Source）
Human TROP-2, His Tag (TR2-H5223) is expressed from human 293 cells (HEK293). It contains AA Gln 31 - Thr 274 (Accession # P09758-1).
Predicted N-terminus: Gln 31
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 29.4 kDa. The protein migrates as 43-55 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Unconjugated
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
95% as determined by SDS-PAGE.
90% as determined by SEC-MALS.
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 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）
产品展示
电泳（SDS-PAGE）
Human TROP-2, 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% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human TROP-2, His Tag (Cat. No. TR2-H5223) is more than 90% and the molecular weight of this protein is around 33-50 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human TROP-2, His Tag (Cat. No. TR2-H5223) at 1 μg/mL (100 μL/well) can bind Mouse Monoclonal Antibody Against Human TROP-2, Mouse IgG1 with a linear range of 0.1-2 ng/mL (QC tested).
Protocol
活性（Bioactivity）-SPR
Captured Trop2 antibody on CM5 chip via anti-mouse antibodies surface can bind Human TROP-2, His Tag (Cat. No. TR2-H5223) with an affinity constant of 5.98 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
Protocol
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