FOLR3 Protein, Human (HEK293, His)

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FOLR3 protein is crucial in folate metabolism, binding to folate and aiding 5-methyltetrahydrofolate delivery into cells. Notably, the Isoform Short of FOLR3 lacks folate-binding capabilities, indicating diverse functional roles among FOLR3 isoforms. This highlights nuanced regulation in cellular folate transport processes. FOLR3 Protein, Human (HEK293, His) is the recombinant human-derived FOLR3 protein, expressed by HEK293 , with C-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

FOLR3 protein is crucial in folate metabolism, binding to folate and aiding 5-methyltetrahydrofolate delivery into cells. Notably, the Isoform Short of FOLR3 lacks folate-binding capabilities, indicating diverse functional roles among FOLR3 isoforms. This highlights nuanced regulation in cellular folate transport processes. FOLR3 Protein, Human (HEK293, His) is the recombinant human-derived FOLR3 protein, expressed by HEK293 , with C-His labeled tag.

Background

The FOLR3 protein plays a pivotal role in folate metabolism, binding to folate and reduced folic acid derivatives while facilitating the delivery of 5-methyltetrahydrofolate to the interior of cells. It is noteworthy that the Isoform Short of FOLR3 does not exhibit folate-binding capabilities. This differential binding behavior suggests distinct functional roles for the various isoforms of FOLR3, emphasizing the nuanced regulation of folate transport within cellular processes.

Verified Bioactivity

Human FOLR3 protein captured on CM5 chip can bind Folic acid with an affinity constant of 0.122 nM as detected by SPR assay(Biacore T200).

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • FOLR3 (Q23-S245)
      Accession # P41439
    • His
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    FOLR3; FR-Gamma; Folate Receptor Gamma; Gamma-HFR; FR-G; FRgamma; Folate Receptor 3 (Gamma); FRγ; Folate Receptor 3; FRG

  • AA Sequence

    QPRSARARTDLLNVCMNAKHHKTQPSPEDELYGQCSPWKKNACCTASTSQELHKDTSRLYNFNWDHCGKMEPTCKRHFIQDSCLYECSPNLGPWIRQVNQSWRKERILNVPLCKEDCERWWEDCRTSYTCKSNWHKGWNWTSGINECPAGALCSTFESYFPTPAALCEGLWSHSFKVSNYSRGSGRCIQMWFDSAQGNPNEEVAKFYAAAMNAGAPSRGIIDS

  • Predicted Molecular Mass

    27 kDa

  • Molecular Weight

    Approximately 33-45 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 20 mM Tris-HCl, 0.5 M NaCl, 6% trehalose, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) Volume (to add to vial)
=
Mass (in vial) Mass (in vial)
÷
Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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