BD-3 Protein, Mouse

Customer Review

Based on 1 Customer Validation

BD-3 Protein, Mouse is an inducible antimicrobial peptide and exhibits broad-spectrum antimicrobial activity.

For research use only. We do not sell to patients.
  • Species: 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
  • References
  • Help & FAQs

Biological Activity

Description

BD-3 Protein, Mouse is an inducible antimicrobial peptide and exhibits broad-spectrum antimicrobial activity.

Background

Recombinant Mouse Beta Defensin-3 peptide, produced from a baculovirus expression system, shows antimicrobial activity against P. aeruginosa PAO1 (MIC of 8 μg/mL) and Escherichia coli D31 (MIC of 16 μg/mL) in a salt-dependent manner[1]. Mouse Beta Defensin-3 peptide exhibits broad-spectrum antimicrobial activity, this peptide may serve as an innate defense against microbial invasion at specific mucosal surfaces in the mouse[2].

Verified Bioactivity

Measured by its anti-microbial activity against E. coli. The ED50 this effect is 387.3 ng/mL, corresponding to a specific activity is 2.58×10^3 U/mg.

Results
  • Experimental Validation Results for BD-3 Protein, Mouse
    Measured by its anti-microbial activity against E. coli. The ED50 for this effect is 387.3 ng/mL, corresponding to a specific activity is 2.58×103 U/mg.

Technical Parameters

  • Species Mouse
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • BD-3 (K23-K63)
      Accession # Q9WTL0
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    rMuBD-3; DEFB-3; HBD3; Beta-defensin 103

  • AA Sequence

    KKINNPVSCLRKGGRCWNRCIGNTRQIGSCGVPFLKCCKRK

  • Molecular Weight

    Approximately 10 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

    • Experimental Validation Results for BD-3 Protein, Mouse
      ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of 40 mM PB, 300 mM NaCl, pH 7.4.

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.

References

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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