SAA4 Protein, Human (His)

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SAA4 Protein, a notable acute phase reactant, plays a pivotal role in responding to physiological challenges. As a crucial apolipoprotein within the HDL complex, SAA4 regulates lipid metabolism and is integral to high-density lipoprotein dynamics. Elevated during acute phase responses, SAA4 underscores its significance in the adaptive mechanisms to diverse stressors. SAA4 Protein, Human (His) is the recombinant human-derived SAA4 protein, expressed by E. coli , with C-6*His labeled tag.

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

Description

SAA4 Protein, a notable acute phase reactant, plays a pivotal role in responding to physiological challenges. As a crucial apolipoprotein within the HDL complex, SAA4 regulates lipid metabolism and is integral to high-density lipoprotein dynamics. Elevated during acute phase responses, SAA4 underscores its significance in the adaptive mechanisms to diverse stressors. SAA4 Protein, Human (His) is the recombinant human-derived SAA4 protein, expressed by E. coli , with C-6*His labeled tag.

Background

SAA4 Protein stands out as a prominent acute phase reactant, playing a pivotal role in the response to various physiological challenges. As a crucial apolipoprotein within the HDL complex, SAA4 contributes to the regulation of lipid metabolism and is integral to the dynamics of high-density lipoprotein. Its elevation during acute phase responses underscores its significance in the acute phase reactant network, reflecting its involvement in the body's adaptive mechanisms to diverse stressors.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • SAA4 (E19-Y130)
      Accession # P35542
    • 6*His
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    SAA4; CSAA; Serum Amyloid A4, Constitutive; Constitutively Expressed Serum Amyloid A Protein; C-SAA; Serum Amyloid A-4 Protein

  • AA Sequence

    ESWRSFFKEALQGVGDMGRAYWDIMISNHQNSNRYLYARGNYDAAQRGPGGVWAAKLISRSRVYLQGLIDCYLFGNSSTVLEDSKSNEKAEEWGRSGKDPDRFRPDGLPKKY

  • Molecular Weight

    Approximately 15 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Solution

Formulation

Supplied as a 0.22 μm filtered solution of 20 mM Tris, 200 mM NaCl, 0.5 mM EDTA, 20% glycerol, pH 8.0.
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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