Pepsinogen A4/PGA4 Protein, Human (HEK293, His)

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Based on 1 Customer Validation

Pepsinogen A4/PGA4 protein, known for broad substrate specificity, prefers cleaving phenylalanine and leucine bonds but also shows the ability to cleave various other bonds to varying extents. Pepsinogen A4/PGA4 Protein, Human (HEK293, His) is the recombinant human-derived Pepsinogen A4/PGA4 protein, expressed by HEK293 , with C-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • 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

Pepsinogen A4/PGA4 protein, known for broad substrate specificity, prefers cleaving phenylalanine and leucine bonds but also shows the ability to cleave various other bonds to varying extents. Pepsinogen A4/PGA4 Protein, Human (HEK293, His) is the recombinant human-derived Pepsinogen A4/PGA4 protein, expressed by HEK293 , with C-His labeled tag.

Background

Pepsinogen A4/PGA4 protein exhibits a notably broad substrate specificity, with a preference for cleaving bonds involving phenylalanine and leucine. Despite this preference, it demonstrates the ability to cleave many other types of bonds to varying extents.

Verified Bioactivity

Measured by its ability to cleave the fluorogenic peptide substrate, Mca-RPKPVE-Nval-WRK(Dnp)-NH2. The specific activity is 69099.036 pmol/min/μg that incubate at room temperature for 15 minutes.

MCE Validation Data

  • Purity - SDS-PAGE

    Purity - SDS-PAGE

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

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • PGA4 (I16-A388)
      Accession # P0DJD7
    • His
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    PGA4; Pepsin A; Pepsinogen A4; Pregnancy-Associated Glycoprotein; Pepsinogen 4, Group I (Pepsinogen A); Pepsinogen A3; Pepsinogen-4; PGA3; Pepsin A-4

  • AA Sequence

    IMYKVPLIRKKSLRRTLSERGLLKDFLKKHNLNPARKYFPQWEAPTLVDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA

  • Molecular Weight

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

  • Purity

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

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.

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)
×
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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