Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
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. Klos, A. et al. (1992) Biochemistry 31:11274. The Neutralization Dose (ND50) is typically 2-10 µg/mL in the presence of 10 ng/mL Recombinant Human Complement Component C5a and cytochalasin‑B.
Please Note: Optimal dilutions should be determined by each laboratory for each application.
are available in the Technical Information section on our website.
N-Acetyl-beta -D-Glucosaminidase Release Induced by Complement Component C5a and Neutralization by Human Complement Component C5a R1 Antibody.
Recombinant Human Complement Component C5a (Catalog # 2037-C5) induces N-acetyl-beta -D-glucosaminidase release in the dibutyryl cyclic-AMP differentiated U937 human histiocytic lymphoma cell line in a dose-dependent manner (orange line). N-Acetyl-beta -D-Glucosaminidase Release elicited by Recombinant Human Complement Component C5a (10 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti‑Human Complement Component C5a R1 Monoclonal Antibody (Catalog # MAB3648). The ND50 is typically 2‑10 µg/mL in the presence of cytochalasin‑B.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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 C5a R1
Complement Component C5a R1 (C5aR1), also known as C5a ligand and CD88, is a 7TM protein expressed on myeloid, endothelial, epithelial, and smooth muscle cells. C5aR binds the activated complement anaphylatoxin C5a. In established allergic environments, this triggers neutrophil and eosinophil chemotaxis and the release of proinflammatory mediators. In contrast, C5aR1/C5a interactions are protective during allergen sensitization. Human C5aR1 shares 66% amino acid sequence identity with mouse and rat C5aR.
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