Complement factor I Protein, Mouse (HEK293, His)

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Complement factor I Protein, Mouse (HEK293, His) is the recombinant mouse-derived Complement factor I protein, expressed by HEK293, with C-His tag.

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  • Species: Mouse
  • Source: HEK293
  • Stockage:
    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.
  • Activité biologique
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Activité biologique

Description

Complement factor I Protein, Mouse (HEK293, His) is the recombinant mouse-derived Complement factor I protein, expressed by HEK293, with C-His tag.

Background

Complement factor I is a trypsin-like serine protease that critically regulates immune responses by controlling all complement pathways. It inactivates these pathways through cleavage of three peptide bonds in the alpha-chain of C3b and two bonds in C4b's alpha-chain. Essential cofactors include fluid-phase factor H and C4BP, plus membrane-bound MCP/CD46 and CR1. On healthy cells, these cofactors enable CFI-mediated C3b degradation to prevent aberrant complement activation, whereas their absence on apoptotic cells/microbes permits C3b-driven complement activation and opsonization. by similar: Functional descriptions are generalized from shared complement regulatory mechanisms.

Technical Parameters

  • Species Mouse
  • Source HEK293
  • Tag C-8*His
  • Accession
  • Gene ID
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    Complement factor I; C3B/C4B inactivator; Cfi

  • AA Sequence

    RSPSASDLPQEELVDQKCLLQKYTHRSCNKVFCQPWQRCIEGTCICKLPYQCPRAGTPVCAMNGRSYPTYCHQKSFECLHPEIKFSHNGTCAAEGKFNVSLIYGRTKTEGLVQVKLVDQDERMFICKNSWSMAEANVACVDLGFPLGVRDIQGSFNISGNLHINDTECLHVHCRGVETSLAECAFTKRRTELSNGLAGVVCYKQDADFPTSLSFQCVNGKHIPQEKACNGVNDCGDQSDELCCKGCRGNASLCKSGVCIPDQYKCNGEVDCITGEDESRCEEDRQQNIPKGLARSAQGEAEIETEETEMLTPGMDNERKRIKSLLPKLSCGVKRNTHTRRKRVIGGKPANVGDYPWQVAIKDGQRITCGGIYIGGCWILTAAHCVRPSRAHSYQVWTALLDWLKPNSQLGIQTVKRVIVHEKYNGATFQNDIALIEMKMHTGKKECELPNSVPACVPWSPYLFQPNDRCIISGWGRGKDNQKVYSLRWGEVDLIGNCSQFYPDRYYEKEMQCAGTRDGSIDACKGDSGGPLVCEDINNVTYVWGIVSWGENCGKPEFPGVYTRVANYFDWISYHVGRSLVSQHNV

  • Predicted Molecular Mass

    66.4 kDa

  • Masse moléculaire

    Approximately 45-53 kDa & 55-65 kDa & 90-110 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Pureté

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

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of 50mM Tris, 150mM NaCl (pH 8.0). Normally 8% trehalose is added as protectant before lyophilization.
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.

Livraison

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
Calculateur de dilution

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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