IL-1 beta Protein, Mouse (His, Avi)

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IL-1 beta protein is a potent pro-inflammatory cytokine and major endogenous pyrogen that induces immune cell effects such as prostaglandin synthesis, neutrophil activation, T- and B-cell activation, and fibroblast proliferation . It promotes Th17 differentiation and synergizes with IL12 to promote Th1 IFNG synthesis. IL-1 beta Protein, Mouse (His, Avi) is the recombinant mouse-derived IL-1 beta protein, expressed by E. coli, with N-Avi and N-His labeled tag.

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
  • Help & FAQs

Biological Activity

Description

IL-1 beta protein is a potent pro-inflammatory cytokine and major endogenous pyrogen that induces immune cell effects such as prostaglandin synthesis, neutrophil activation, T- and B-cell activation, and fibroblast proliferation . It promotes Th17 differentiation and synergizes with IL12 to promote Th1 IFNG synthesis. IL-1 beta Protein, Mouse (His, Avi) is the recombinant mouse-derived IL-1 beta protein, expressed by E. coli, with N-Avi and N-His labeled tag.

Background

IL-1 beta Protein is a potent pro-inflammatory cytokine that was initially discovered as the major endogenous pyrogen. It has various effects on immune cells, such as inducing prostaglandin synthesis, activating neutrophils, promoting T-cell activation and cytokine production, stimulating B-cell activation and antibody production, and increasing fibroblast proliferation and collagen production. IL-1 beta Protein also plays a role in promoting the differentiation of Th17 cells and works synergistically with IL12 to induce the synthesis of IFNG by Th1 cells. Moreover, it contributes to angiogenesis by inducing VEGF production in collaboration with TNF and IL6. IL-1 beta Protein is involved in the transduction of inflammation downstream of pyroptosis, where its mature form is specifically released into the extracellular environment through the gasdermin-D (GSDMD) pore. It exists as a monomer and interacts with MEFV, as well as integrins ITGAV:ITGBV and ITGA5:ITGB1, which are required for IL1B signaling. IL-1 beta Protein also interacts with the cargo receptor TMED10 and HSP90AB1 and HSP90B1, which facilitate the translocation of cargo into the ERGIC.

Verified Bioactivity

1.Immobilized Mouse IL-1 Beta, His Tag at 5 μg/mL (100μL/well) on the plate. Dose response curve for Human IL-1R2, hFc Tag with the EC50 of < 0.2 μg/ml determined by ELISA.
2.Measured by its binding ability in a functional ELISA. Immobilized Mouse IL-1 Beta at 5 μg/mL (100 μl/well) can bind Human IL-1R2. The ED50 for this effect is < 0.2 μg/mL.

Technical Parameters

  • Species Mouse
  • Source E. coli
  • Tag N-Avi;N-8*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • 8*His-Avi
    • IL-1 beta (V118-S269)
      Accession # P10749
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    IL1B; IL-1B; Interleukin 1 Beta; Multifunctional Fusion Protein; IL1F2; Pro-Interleukin-1-Beta; Interleukin-1 Beta; Preinterleukin 1 Beta; IL1-BETA; Interleukin 1beta; IL-1 Beta; IL1beta; Catabolin; IL-1

  • AA Sequence

    VPIRQLHYRLRDEQQKSLVLSDPYELKALHLNGQNINQQVIFSMSFVQGEPSNDKIPVALGLKGKNLYLSCVMKDGTPTLQLESVDPKQYPKKKMEKRFVFNKIEVKSKVEFESAEFPNWYISTSQAEHKPVFLGNNSGQDIIDFTMESVSS

  • Predicted Molecular Mass

    20.3 kDa

  • Molecular Weight

    Approximately 21 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% 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)
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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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