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Animal-Free FGF-4 Protein, Human (His)

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The FGF-4 protein coordinates embryonic development, cell proliferation and differentiation and is critical for normal limb and heart valve development. FGF-4 may promote embryonic molar tooth bud development by inducing key gene expression. Animal-Free FGF-4 Protein, Human (His) is the recombinant human-derived animal-FreeFGF-4 protein, expressed by E. coli , with C-His labeled tag.This product is for cell culture use only.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • 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.
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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To place orders, for customer services and technical support, please contact:

609-228-6898
[email protected] [email protected]
Find Your Local Distributor Your local distributor: Hycultec GmbHHycultec
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs
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Biological Activity

Description

The FGF-4 protein coordinates embryonic development, cell proliferation and differentiation and is critical for normal limb and heart valve development. FGF-4 may promote embryonic molar tooth bud development by inducing key gene expression. Animal-Free FGF-4 Protein, Human (His) is the recombinant human-derived animal-FreeFGF-4 protein, expressed by E. coli , with C-His labeled tag.This product is for cell culture use only.

Background

FGF-4 Protein assumes a pivotal role in orchestrating embryonic development, cell proliferation, and cell differentiation. Its indispensability is evident in the normal development of limbs and cardiac valves during embryogenesis. Additionally, FGF-4 may contribute to embryonic molar tooth bud development by inducing the expression of key genes, including MSX1, MSX2, and SDC1, in dental mesenchyme cells, thus highlighting its diverse regulatory functions. FGF-4 engages in intricate interactions with FGFR1, FGFR2, FGFR3, and FGFR4, forming molecular alliances critical for signaling cascades. The binding affinity between FGF-4 and its receptors is potentiated by heparan sulfate glycosaminoglycans, serving as indispensable coreceptors in this complex regulatory network. These interactions underscore the multifaceted and essential role of FGF-4 in driving fundamental processes during development.

Verified Bioactivity

Measure by its ability to induce 3T3 cells proliferation. The ED50 for this effect is <2.5 ng/mL. The specific activity of recombinant human FGF-4 is >4 x 105 IU/mg.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag C-6*His
  • Accession

    P08620-1 (G25-L206)

  • Gene ID
    2249  [NCBI]
  • Molecular Construction
    • N-term
    • FGF-4 (G25-L206)
      Accession # P08620-1
    • 6*His
    • C-term
  • Protein Length

    Full Length of Isoform-1

  • Synonyms

    FGF4; Heparin-Binding Growth Factor 4; Prev. HSTF1; HSTF-1; HBGF-4; FGF-4; HST-1; Heparin Secretory-Transforming Protein 1; HST; Fibroblast Growth Factor; Transforming Protein KS3; Oncogene HST; K-FGF; SRTD22; KFGF; KS3; Human Stomach Cancer, Transforming

  • AA Sequence

    GRGGAAAPTAPNGTLEAELERRWESLVALSLARLPVAAQPKEAAVQSGAGDYLLGIKRLRRLYCNVGIGFHLQALPDGRIGGAHADTRDSLLELSPVERGVVSIFGVASRFFVAMSSKGKLYGSPFFTDECTFKEILLPNNYNAYESYKYPGMFIALSKNGKTKKGNRVSPTMKVTHFLPRL

  • Predicted Molecular Mass

    20.7 kDa

  • Molecular Weight

    Approximately 22 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 0.1% sarkosyl in PBS, pH 8.0, trehalose.

Endotoxin Level

<0.1 EU per 1 μg of the protein by the LAL method.

Reconstitution

It is recommended to reconstitute to a concentration of 100-200 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

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)
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Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

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

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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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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

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