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. 2019 Dec 2;9:18035. doi: 10.1038/s41598-019-54564-6

Table 2.

Hydrolysis of natural substrates and Na+ binding.

Fibrinogen kcat/Km (μM−1 s−1) PAR1 kcat/Km (μM−1 s−1) Protein C1 kcat/Km (mM−1 s−1) Na+ Kd (mM)
wt 17 ± 1 32 ± 2 220 ± 10 16 ± 3
I16T 0.021 ± 0.001 0.034 ± 0.001 7.3 ± 0.1 1100 ± 300
D194A 0.0052 ± 0.0003 0.0059 ± 0.0002 0.15 ± 0.01 80 ± 20

1In the presence of 50 nM rabbit thrombomodulin. Experimental conditions described under Materials.