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 >  Protein>FOLR1 >FO1-HF2H8

FITC-Labeled Human FOLR1 Protein, His Tag (MALS verified)

分子别名(Synonym)

FOLR-1,FBP,FOLR,FRα

表达区间及表达系统(Source)

FITC-Labeled Human FOLR1, His Tag (FO1-HF2H8) is expressed from human 293 cells (HEK293). It contains AA Arg 25 - Met 233 (Accession # P15328-1). It is the FITC labeled form of Human FOLR1, His Tag (FO1-H52H1).

Predicted N-terminus: Arg 25

Request for sequence

蛋白结构(Molecular Characterization)

FOLR1 Structure

This protein carries a polyhistidine tag at the C-terminus

The protein has a calculated MW of 26.5 kDa. The protein migrates as 35-43 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 1.5-3.5.

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 protect from light and avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

FOLR1 SDS-PAGE

FITC-Labeled Human FOLR1, 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

FOLR1 SEC-MALS

The purity of FITC-Labeled Human FOLR1, His Tag (Cat. No. FO1-HF2H8) is more than 90% and the molecular weight of this protein is around 40-50 kDa verified by SEC-MALS.

Report

 

活性(Bioactivity)-ELISA

FOLR1 ELISA

Immobilized Folic acid-BSA conjugate at 5 μg/mL (100 μL/well) can bind FITC-Labeled Human FOLR1, His Tag (Cat. No. FO1-HF2H8) with a linear range of 0.078-1.25 μg/mL (QC tested).

Protocol

 

活性(Bioactivity)-FACS

FOLR1 FACS

2e5 of Anti-FOLR1 CAR-293 cells were stained with 100 μL of 3 μg/mL of FITC-Labeled Human FOLR1, His Tag (Cat. No. FO1-HF2H8) and negative control protein respectively, FITC signals was used to evaluate the binding activity (QC tested).

Protocol

 

背景(Background)

Folate Receptor 1 (FOLR1) is also known as Folate receptor alpha, Folate Binding Protein (FBP), FOLR, and is a member of the folate receptor (FOLR) family. Members of this gene family have a high affinity for folic acid and for several reduced folic acid derivatives, and mediate delivery of 5-methyltetrahydrofolate to the interior of cells. Mature FOLR1 is an N-glycosylated protein that is anchored to the cell surface by a GPI linkage. FOLR1 is predominantly expressed on epithelial cells and is dramatically upregulated on many carcinomas. FOLR1 is internalized to the endosomal system where it dissociates from its ligand before recycling to the cell surface. A soluble form of FOLR1 can be proteolytically shed from the cell surface into the serum and breast milk. Defects in FOLR1 are the cause of neurodegeneration due to cerebral folate transport deficiency (NCFTD). NCFTD is an autosomal recessive disorder resulting from brain-specific folate deficiency early in life.

 

前沿进展

 
 
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FOLR1靶点信息
英文全称:Folate receptor alpha
中文全称:叶酸受体α
种类:Homo sapiens
上市药物数量:3详情
临床药物数量:17详情
最高研发阶段:批准上市
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