Human Complement Component C2 Biotinylated Antibody

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Product Details
Supplemental Products

Human Complement Component C2 Biotinylated Antibody Summary

Species Reactivity
Detects human Complement Component C2 in Western blots. In Western blots, less than 1% cross‑reactivity with recombinant human (rh) C1r, rhC1s, rhC3a, and rhC5a is observed.
Polyclonal Goat IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant human Complement Component C2
Accession # P06681
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human Complement Component C2 (Catalog # 1936-SE)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Complement Component C2

The classical complement pathway plays a major role in innate immunity against infection. This pathway is triggered by C1, a multimolecular complex composed of the recognition protein C1q and two serine proteases, C1r and C1s (1). After activation by C1, the single-chain form of C2 (amino acid residues 21‑752) becomes two chains, which are referred to as C2A and C2B. C2A (residues 244‑752) consists of a vWF domain (residues 254‑452) and a serine protease domain (residues 466‑752). C2B (residues 21‑243) contains 3 Sushi (SCR) domains. C2A, then combines with complement factor 4B to generate the C3 or C5 convertase. The full‑length of human C2 was expressed, and the purified protein corresponded to the single-chain form with the peptidase activity.

  1. Arlaud, G.J. et al. (2002) Biochem. Soc. Trans. 30:1001.
Entrez Gene IDs
717 (Human); 12263 (Mouse); 24231 (Rat)
Alternate Names
C2; C3/C5 convertase; CO2; complement C2; complement component 2; Complement Component C2; DKFZp779M0311; EC 3.4.21; EC

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