Caspase-1/CASP1 Protein, Human (His)

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Based on 1 Customer Validation

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Verified Bioactivity

Measured by its ability convert the substrate acetyl-Tyr-Val-Ala-Asp p-nitroanilide (Ac-YVAD-pNA) to p-nitroaniline (pNA). The specific activity is >50 pmol/min/µg.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag N-His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • His
    • CASP1 (N120-N269&A317-H404)
      Accession # P29466-1
    • C-term
  • Synonyms

    CASP1; Caspase 1, Apoptosis-Related Cysteine Peptidase (Interleukin 1, Beta, Convertase); Prev. IL1BC; CDNA FLJ59442, Highly Similar To Caspase-1; Caspase-1; CDNA FLJ58540, Highly Similar To Caspase-1; ICE; Interleukin 1-B Converting Enzyme; P45; CASP1 Ni

  • Predicted Molecular Mass

    21.9 kDa & 10.4 kDa

  • Molecular Weight

    Approximately 9 kDa & 23-25 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Solution

Formulation

Supplied as 0.22 μm filtered solution of 20 mM Tris, 300 mM NaCl, 0.5 M Arginine, pH 8.0 with 20% glycerol as protectant.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

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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