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Your Position: Home > All Other Proteins > FOLR1 > FO1-H82E2

Biotinylated Human FOLR1 Protein, His,Avitag™

  • Synonym
    FOLR-1,FBP,FOLR
  • 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
  • Molecular Characterization
    Online(Arg 25 - Met 233) P15328-1

    This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag.

    The protein has a calculated MW of 28.3 kDa. The protein migrates as 38-42 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Biotinylation
    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Biotin:Protein Ratio
    The biotin to protein ratio is 0.5-1 as determined by the HABA assay.
  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    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.

  • 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:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) SDS-PAGE gel

Biotinylated Human FOLR1, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity-ELISA
Biotinylated Human FOLR1, His,AvitagBiotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) ELISA bioactivity

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 8-125 ng/mL (QC tested).

Biotinylated Human FOLR1, His,AvitagBiotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) ELISA bioactivity

Immobilized Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) at 1 μg/mL (100 μL/well) on streptavidin precoated (0.5μg/well) plate, can bind Anti-FOLR1 Antibody,Mouse IgG1 with a linear range of 0.2-2 ng/mL (QC tested).

Biotinylated Human FOLR1, His,AvitagBiotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) ELISA bioactivity

Immobilized Anti-FOLR1 Antibody,Mouse IgG1 at 1 μg/mL (100 μL/well) can bind Biotinylated Human FOLR1, His,Avitag (Cat. No. FO1-H82E2) with a linear range of 0.2-1 ng/mL (Routinely tested).

Bioactivity-FACS
FACS assay shows that recombinant Biotinylated 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).

  • 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.
  • References
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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Price(USD) : $350.00

Price(USD) : $1380.00

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