Recombinant Mouse Factor D/Cfd protein (His tag)

• Background:

  Complement factor D, also known as adipsin, is a member of the chymotrypsin family of serine proteases, which plays an essential role in host defense as the rate-limiting enzyme in the alternative pathway of complement activation. Complement factor D activates a convertase (C3bBb) responsible for cleavage of the complement protein C3, which leads to the activation of terminal complement component C5-9 to form the membrane attack complex on microbial or cellular surfaces. It also functions in the regulation of systemic energy balance and physiologic and pathologic processes, including immunity and inflammation.

• Abbreviation:

  Factor D, Cfd

• Synonyms:

  28 kDa adipocyte protein; Adipsin; Adn; C3 convertase activator; Cfd; Complement factor D; Df; Properdin factor D

• UniProt:

  P03953

• Accession Number:

  P03953

• Expression System:

  HEK293 Cells

• Tag:

  C-His

• Sequence:

  Met1-Ser259

• Endotoxin:

  < 1.0 EU/mg of the protein as determined by the LAL method.

• Purity:

  > 95% as determined by reducing SDS-PAGE.

• Bioactivity:

  Not validated for activity

• Reconstitution:

  It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.

• Shipping Conditions:

  This product is provided as lyophilized powder which is shipped with ice packs.

• Storage Conditions:

  Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.

• Calculated Molecular Weight:

  28.4 kDa

• Observed Molecular Weight:

  40 kDa

• Formulation:

  Lyophilized from sterile PBS, pH 7.4.
  Normally 5%-8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
  Please refer to the specific buffer information in the printed manual.

• Species:

  Mouse