C-Reactive Protein, Human (HEK293)

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C-Reactive Protein, an acute-phase protein, is a marker of inflammation and is produced by the liver. It is used as a diagnostic tool to assess the presence and severity of inflammation in various diseases. C-Reactive Protein's role in inflammation detection and its clinical significance in disease management make it a subject of interest in medical research. C-Reactive Protein, Human (HEK293) is the recombinant human-derived C-Reactive protein, expressed by HEK293 , with tag free.

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

C-Reactive Protein, an acute-phase protein, is a marker of inflammation and is produced by the liver. It is used as a diagnostic tool to assess the presence and severity of inflammation in various diseases. C-Reactive Protein's role in inflammation detection and its clinical significance in disease management make it a subject of interest in medical research. C-Reactive Protein, Human (HEK293) is the recombinant human-derived C-Reactive protein, expressed by HEK293 , with tag free.

Background

C-Reactive Protein (CRP) exhibits various functions related to host defense. It facilitates agglutination, bacterial capsular swelling, phagocytosis, and complement fixation by binding to phosphorylcholine in a calcium-dependent manner. CRP is also capable of interacting with DNA and histones, and it may scavenge nuclear material that is released from damaged circulating cells.

Verified Bioactivity

Measured by its binding ability in a functional ELISA. When human Fc gamma RIIA(HY-P70711)is immobilized at 2 µg/mL (100 µL/well), can bind Recombinant rhCRP Protein binds with an ED50 of 8.128 μg/mL.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • C-Reactive (Q19-P224)
      Accession # P02741
    • C-term
  • Protein Length

    Full Length of Isoform-1

  • Synonyms

    CRP; C-Reactive Protein, Pentraxin-Related; C-Reactive Protein; Pentraxin 1; PTX1

  • AA Sequence

    QTDMSRKAFVFPKESDTSYVSLKAPLTKPLKAFTVCLHFYTELSSTRGYSIFSYATKRQDNEILIFWSKDIGYSFTVGGSEILFEVPEVTVAPVHICTSWESASGIVEFWVDGKPRVRKSLKKGYTVGAEASIILGQEQDSFGGNFEGSQSLVGDIGNVNMWDFVLSPDEINTIYLGGPFSPNVLNWRALKYEVQGEVFTKPQLWP

  • Predicted Molecular Mass

    23 kDa

  • Molecular Weight

    Approximately 24 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 20 mM Tris-HCl, 150 mM NaCl, 5 mM CaCl2, pH 8.0, 8% trehalose.
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.

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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