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

Table 1

Effect of type IV collagen on the inhibition of plasma kallikrein by C1-inhibitor.

Amount of type IV collagen (μg/mL)	Second-order rate constant for inhibition of kallikrein (M^−1s^−1)
0	16580
10	14370
20	13905
30	11650
40	10510
50	8450