Leadgene Leadgene
Human Complement C1s, His Tag, HEK293
Catalog Number

LDG163PHM

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  • Specifications
    • Species of Origin

      Human

      Expression System

      HEK293

    • Affinity Tag

      His Tag (C-term)

      Storage Buffer

      Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.

    • Purity

      >95% as determined by SDS-PAGE analysis.

      Molecular weight

      The protein has a calculated 75.71 MW of kDa.
      The protein migrates as 74-75 kDa under reducing condition (SDS-PAGE analysis).

    • Endotoxin Level

      <0.1 EU per 1 μg of the protein by the LAL method.

      Form

      Lyophilized

  • Background
    • Background

      Complement C1s is a calcium-dependent serine protease and a key component of the C1 complex in the classical complement pathway. Upon activation, C1s cleaves C4 and C2, leading to the formation of C3 convertase and downstream complement activation. C1s plays a crucial role in innate immunity, immune complex clearance, and antibody-mediated defense. Recombinant C1s expressed in HEK293 cells is widely applied in complement research, immunology, and diagnostic reagent development.

      Synonyms

      Complement C1s subcomponent, EC:3.4.21.42, C1 esterase, Complement component 1 subcomponent s, Cleaved into: Complement C1s subcomponent heavy chain, Complement C1s subcomponent light chain

    • Uniprot ID

      P09871

      Sequence Note

      Glu16-Asp688

  • Instruction
    • Reconstitution

      It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration of 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

      Shipping

      The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.

    • Stability & Storage

      This product is stable after storage at:

      • -20°C for 12 months in lyophilized state from date of receipt.
      • -20°C or -80°C for 1 month under sterile conditions after reconstitution.

      Avoid repeated freeze/thaw cycles.

  • Image
    SDS-PAGE analysis of recombinant Human Complement C1s.

    SDS-PAGE analysis of recombinant Human Complement C1s.

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  • Datasheet & Documents
    MSDS
    Manual
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Disclaimer:For Research Use or Further Manufacturing Only.

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