FGF-8b Protein, Human/Mouse

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Based on 3 publication(s) in Google Scholar

FGF-8b Protein, Human/Mouse is the recombinant mouse, human-derived FGF-8b protein, expressed by E. coli, with tag free.

For research use only. We do not sell to patients.
  • Species: Human; Mouse
  • 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

FGF-8b Protein, Human/Mouse is the recombinant mouse, human-derived FGF-8b protein, expressed by E. coli, with tag free.

Background

FGF-8b plays an important role in the regulation of embryonic development, cell proliferation, cell differentiation, and cell migration. It is required for normal brain, eye, ear, and limb development during embryogenesis. Additionally, FGF-8b is essential for the normal development of the gonadotropin-releasing hormone (GnRH) neuronal system (by similar: PubMed:16384934, PubMed:16597617, PubMed:8663044). It also functions in neurite outgrowth in hippocampal cells (by similar: PubMed:21576111).

Verified Bioactivity

1.Measured in a cell proliferation assay using BALB/c 3T3 cells and the special bioactivity is ≤40.58 ng/mL.
2.Measured in a cell proliferation assay using NIH/3T3 mouse fibroblast cells. The ED50 for this effect is typically 10-60 ng/mL in the presence of 1 µg/mL heparin.

Technical Parameters

  • Species Human; Mouse
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • FGF-8b (Q23-R215)
      Accession # P55075-3
    • C-term
  • Protein Length

    Partial

  • Synonyms

    FGF8; HBGF-8; Fibroblast Growth Factor 8; FGF-8; AIGF; Fibroblast Growth Factor; Androgen-Induced Growth Factor; KAL6; Fibroblast Growth Factor 8 (Androgen-Induced); HH6; Heparin-Binding Growth Factor 8; FGF

  • AA Sequence

    QVTVQSSPNFTQHVREQSLVTDQLSRRLIRTYQLYSRTSGKHVQVLANKRINAMAEDGDPFAKLIVETDTFGSRVRVRGAETGLYICMNKKGKLIAKSNGKGKDCVFTEIVLENNYTALQNAKYEGWYMAFTRKGRPRKGSKTRQHQREVHFMKRLPRGHHTTEQSLRFEFLNYPPFTRSLRGSQRTWAPEPR

  • Predicted Molecular Mass

    22.5 kDa

  • Molecular Weight

    Approximately 22-28 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Purity

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

Product Properties

Appearance

Lyophilized powder

Formulation

1.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.
2.Lyophilized from a 0.22 μm filtered solution of 20 mM PB, 300 mM NaCl, 2% sucrose, 0.02% Tween 80, pH 7.4.
3.Lyophilized from a 0.22 μm filtered solution of PBS.
4.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% trehalose.
Please refer to the lot-specific COA for specific buffer information.

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. 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)
÷
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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