Table 2.
[CDS03] (nM) |
Substrate |
Km (μM)b |
Vmax (mAU/min)b |
---|---|---|---|
0 | Spectrozyme FXa | 64 ± 7 | 22 ± 0.8 |
10.5 | ” | 76 ± 11 | 18 ± 1 |
30 | ” | 41 ± 5 | 12 ± 0.5 |
105 | ” | 52 ± 12 | 9.7 ± 0.8 |
203 | ” | 63 ± 19 | 6.2 ± 0.7 |
0 | S-2772 | 212 ± 21 | 34 ± 1 |
10.5 | ” | 60 ± 5 | 12 ± 0.2 |
105 | ” | 42 ± 15 | 3.4 ± 0.3 |
0 | Spectrozyme TH | 597 ± 180 | 80 ± 16 |
10.5 | ” | 390 ± 105 | 50 ± 8 |
30 | ” | 168 ± 75 | 13 ± 2 |
83 | ” | 65 ± 30 | 6.6 ± 0.7 |
0 | Spectrozyme Pro | 188 ± 28 | 119 ±7 |
7.5 | ” | 112 ± 8 | 72 ± 2 |
30 | ” | 77 ± 9 | 53 ± 2 |
KM and VMAX values of substrate hydrolysis by human factor Xa were measured as described in Experimental Procedures. mAU indicates milliabsorbance units.
Error represents ±1 SE.