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分子别名（Synonym）
FOLR-1,FBP,FOLR,FRα
表达区间及表达系统（Source）
Biotinylated Human FOLR1, His,Avitag (FO1-H82E2) is expressed from human 293 cells (HEK293). It contains AA Arg 25 - Met 233 (Accession # P15328-1).
Predicted N-terminus: Arg 25
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).
The protein has a calculated MW of 28.3 kDa. The protein migrates as 35-45 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Biotin
标记（Labeling）
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
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）
Biotinylated Human FOLR1, His,Avitag 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 Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) is more than 90% and the molecular weight of this protein is around 35-45 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Folic acid-BSA conjugate at 5 μg/mL (100 μL/well) can bind Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) with a linear range of 0.004-0.125 μg/mL (QC tested).
Protocol
活性（Bioactivity）-SPR
Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) immobilized on SA Chip can bind Folic acid-BSA with an affinity constant of 83.8 pM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
活性（Bioactivity）-FACS
2e5 of anti-FOLR1 CAR-293 cells were stained with 100 μL of 1 μg/mL of Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) and negative control protein respectively, washed and then followed by PE-SA and analyzed with FACS (Routinely tested).
Protocol
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