Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot, Neutralization

Cited:

Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
View all Complement Component C5/C5a Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human Complement Component C5a
Thr678-Arg751
Accession # P01031

Specificity

Detects human Complement Component C5/C5a in direct ELISAs and Western blots. In Western blots, approximately 5% cross-reactivity with recombinant mouse Complement Component C5a is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Scientific Data Images for Human Complement Component C5/C5a Antibody

N-Acetyl-beta -D-Glucosamini-dase Release Induced by Complement Component C5a and Neutralization by Human Complement Component C5a Antibody.

N-Acetyl-beta -D-Glucosamini-dase Release Induced by Complement Component C5a and Neutralization by Human Complement Component C5a Antibody.

Recombinant Human Complement Component C5a (Catalog # 2037-C5) induces N-acetyl- beta -D-glucosaminidase release in the the dibutyryl cyclic-AMP differentiated U937 human histiocytic lymphoma cell line in a dose-dependent manner (orange line). N-Acetyl-beta -D-Glucosamin-idase Release elicited by Recombinant Human Complement Component C5a (15 ng/mL) is neutralized (green line) by increasing concen-trations of Goat Anti-Human Complement Component C5a Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2037). The ND50 is typically 0.15-0.75 µg/mL in the presence of cytochalasin-B.

Applications for Human Complement Component C5/C5a Antibody

Application
Recommended Usage

Western Blot

0.1 µg/mL
Sample: Recombinant Human Complement Component C5a (Catalog # 2037-C5)

Neutralization

Measured by its ability to neutralize Complement Component C5a-induced N-acetyl-beta -D-glucosaminidase release in the dibutyryl cyclic-AMP differentiated U937 human histiocytic lymphoma cell line. Gerard, NP and Gerard, C. (1990) Biochemistry 29:9274. The Neutralization Dose (ND50) is typically 0.15-0.75 μg/mL in the presence of 15 ng/mL Recombinant Human Complement Component C5a and cytochalasin‑B.

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Complement Component C5/C5a

Human complement 5a (C5a) is an enzymatically generated glycoprotein that belongs to a family of structurally and functionally related proteins known as anaphylatoxins. C5a is a 74 amino acid (aa) peptide that is created by the activity of C5a convertase on the C5 alpha -chain (1, 2). Human C5a has four alpha -helices plus three intrachain disulfide bonds that create a triple loop structure (3). In serum, proteolytic processing removes the C-terminal arginine, creating a low activity C5adesArg74 molecule (1). Human C5a is 60% and 54% aa identical to mouse and rat C5a, respectively. C5a binds to a signaling G-protein coupled receptor (C5aR/CD88) and a nonsignaling GPCR termed C5L2 (4). Activation of Cd88 results in neutrophil chemotaxis and endothelial cell activation (1, 5). It also triggers an oxidative burst in macrophages and neutrophils, and induces release of histamine in basophils and mast cells.

References

  1. Gerard, C. and N.P. Gerard (1994) Annu. Rev. Immunol. 12:775.
  2. DiScipio, R.G. et al. (1983) J. Biol. Chem. 258:10629.
  3. Huber-Lang, M.S. et al. (2003) J. Immunol. 170:6115.
  4. Okinaga, S. et al. (2003) Biochemistry 42:9406.
  5. Gerard, N.P. and C. Gerard (2002) Curr. Opin. Immunol. 14:705.

Alternate Names

C5

Entrez Gene IDs

727 (Human); 15139 (Mouse)

Gene Symbol

C5

UniProt

P01031

Additional Complement Component C5/C5a Products

Product Documents for Human Complement Component C5/C5a Antibody

Certificate of Analysis

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Product Specific Notices for Human Complement Component C5/C5a Antibody

For research use only

Citations for Human Complement Component C5/C5a Antibody

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