Modulation of C1-Inhibitor and Plasma Kallikrein Activities by Type IV Collagen

Figure 3

Displacement of biotinylated C1-inhibitor from type IV collagen. To confirm specificity of binding of the biotinylated C1-inhibitor to the immobilized collagen, the labeled protein was displaced with unlabeled C1-inhibitor. On the 𝑦-axis is counts per minute (cpm).