Human Complement Component 5, Active Protein

BiomatikSKU: RPU60151-50ug

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SDS-PAGE
Complement Component 5 (C5), which forms part of the later stages of the complement pathway, is cleaved into C5a and C5b. C5a is a chemotactic agent for neutrophils, while C5b forms part of the complement membrane attack complex. Coagulation Factor II (F2) has been identified as an interactor of C5, thus a functional binding ELISA assay was conducted to detect the interaction of recombinant human C5 and recombinant mouse F2. Briefly, C5 was diluted serially in PBS with 0.01% BSA (pH 7.4). Duplicate samples of 100 μl were then transferred to F2-coated microtiter wells and incubated for 1h at 37°C. Wells were washed with PBST and incubated for 1h with anti-C5 pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody for 1h at 37°C, wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37°C. Finally, add 50 uL stop solution to the wells and read at 450/630 nm immediately. The binding activity of recombinant human C5 and recombinant mouse F2 was shown, the EC50 for this effect is 0.22 ug/mL.

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