MFG-E8 Protein, Human (sf9, His)

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MFG-E8 Protein plays a crucial role in maintaining intestinal epithelial homeostasis, facilitating mucosal healing, and contributing to VEGF-dependent neovascularization. It acts as a specific ligand, binding to alpha-v/beta-3 and alpha-v/beta-5 receptors, and participates in the phagocytic removal of apoptotic cells. The protein is also implicated in zona pellucida binding and is a major component of aortic medial amyloid. MFG-E8 Protein, Human (sf9, His) is the recombinant human-derived MFG-E8 protein, expressed by Sf9 insect cells , with C-10*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: Sf9 insect cells
  • 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

MFG-E8 Protein plays a crucial role in maintaining intestinal epithelial homeostasis, facilitating mucosal healing, and contributing to VEGF-dependent neovascularization. It acts as a specific ligand, binding to alpha-v/beta-3 and alpha-v/beta-5 receptors, and participates in the phagocytic removal of apoptotic cells. The protein is also implicated in zona pellucida binding and is a major component of aortic medial amyloid. MFG-E8 Protein, Human (sf9, His) is the recombinant human-derived MFG-E8 protein, expressed by Sf9 insect cells , with C-10*His labeled tag.

Background

The MFG-E8 protein is involved in multiple essential functions, including the maintenance of intestinal epithelial homeostasis and the facilitation of mucosal healing. It aids in VEGF-dependent neovascularization and contributes to the phagocytic removal of apoptotic cells in various tissues. Acting as a specific ligand, it binds to the alpha-v/beta-3 and alpha-v/beta-5 receptors, and it also has the ability to bind to cell surfaces enriched with phosphatidylserine, independently of receptors. Furthermore, it serves as a zona pellucida-binding protein that potentially plays a role in gamete interaction. Additionally, the MFG-E8 protein is a main constituent of aortic medial amyloid.

Verified Bioactivity

1. When 5 x 104cells/well are added to Recombinant Human MFG-E8 coated plates (12.5 μg/mL, 100 μL/well), 45-93% cells will adhere after 1 hour at 37 °C.
2. Measured by the ability of the immobilized protein to support the adhesion of SVEC4 10 mouse vascular endothelial cells. When 5 x 104 cells/well are added to Recombinant Human MFG E8 coated plates (10 µg/mL, 100 µL/well), approximately 62.626% will adhere.

Technical Parameters

  • Species Human
  • Source Sf9 insect cells
  • Tag C-His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • MFG-E8 (L24-C387)
      Accession # Q08431-1
    • 10*His
    • C-term
  • Protein Length

    Full Length of Isoform-1 Mature Protein

  • Synonyms

    MFGE8; HP47; Prev. SPAG10; Breast Epithelial Antigen BA46; MFG-E8; Sperm Associated Antigen 10; SED1; Sperm Surface Protein HP47; Lactadherin; HMFG; HsT19888; MFGM; OAcGD3S; O-Acetyl Disialoganglioside Synthase; EDIL1; Milk Fat Globule-EGF Factor 8; BA46;

  • AA Sequence

    LDICSKNPCHNGGLCEEISQEVRGDVFPSYTCTCLKGYAGNHCETKCVEPLGLENGNIANSQIAASSVRVTFLGLQHWVPELARLNRAGMVNAWTPSSNDDNPWIQVNLLRRMWVTGVVTQGASRLASHEYLKAFKVAYSLNGHEFDFIHDVNKKHKEFVGNWNKNAVHVNLFETPVEAQYVRLYPTSCHTACTLRFELLGCELNGCANPLGLKNNSIPDKQITASSSYKTWGLHLFSWNPSYARLDKQGNFNAWVAGSYGNDQWLQVDLGSSKEVTGIITQGARNFGSVQFVASYKVAYSNDSANWTEYQDPRTGSSKIFPGNWDNHSHKKNLFETPILARYVRILPVAWHNRIALRLELLGC

  • Molecular Weight

    Approximately 45 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, 0.2M arg, 0.01% Tween-20, pH 7.2, 22.5% trehalose.

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)
×
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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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