Kinetic values (kcat and Km) and the catalytic efficiency (kcat/Km) derived for proteolysis of VWF115 and VWF115(D1614A) by both ADAMTS13 and ADAMTS13(R349A)
. | VWF 115 . | VWF115(D1614A) . | ||||
---|---|---|---|---|---|---|
Km, μM . | kcat, s−1 . | kcat/Km, ×105 M−1s−1 . | Km, μM . | kcat, s−1 . | kcat/Km, ×105 M−1s−1 . | |
ADAMTS13 | 1.88 ± 0.73 | 0.59 ± 0.13 | 3.24 ± 0.57 | 7.99 ± 2.38 | 0.37 ± 0.04 | 0.50 ± 0.17 |
ADAMTS13(R349A) | 6.20 ± 0.56 | 0.09 ± 0.01 | 0.15 ± 0.01 | 8.75 ± 2.34 | 0.47 ± 0.04 | 0.57 ± 0.13 |
. | VWF 115 . | VWF115(D1614A) . | ||||
---|---|---|---|---|---|---|
Km, μM . | kcat, s−1 . | kcat/Km, ×105 M−1s−1 . | Km, μM . | kcat, s−1 . | kcat/Km, ×105 M−1s−1 . | |
ADAMTS13 | 1.88 ± 0.73 | 0.59 ± 0.13 | 3.24 ± 0.57 | 7.99 ± 2.38 | 0.37 ± 0.04 | 0.50 ± 0.17 |
ADAMTS13(R349A) | 6.20 ± 0.56 | 0.09 ± 0.01 | 0.15 ± 0.01 | 8.75 ± 2.34 | 0.47 ± 0.04 | 0.57 ± 0.13 |
All data are mean of 3 separate experiments ± SD.