Skip to main content
. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Apoptosis. 2008 Nov;13(11):1291–1302. doi: 10.1007/s10495-008-0259-9

Table 1.

Kinetic parameters of caspases for peptide substrates.

kcat (min−1) Km (μM) kcat/Km (min−1μM−1) Relative kcat/Km (%)
Caspase-3
DEVD 55±3 44±2 1.3±0.1 100
QDEVD 57±3 54±3 1.1±0.1 85
LDEVD 53±3 28±1 1.9±0.1 146
Caspase-6
DEVD 28±3 490±60 0.058±0.01 100
QDEVD 92±10 1070±110 0.086±0.01 148
LDEVD 30±3 440±40 0.068±0.01 118
Caspase-7
DEVD 77±4 44±2 1.8±0.1 100
QDEVD 63±3 51±3 1.2±0.1 67
LDEVD 58±3 61±3 1.0±0.1 56
Caspase-8
DEVD 14±1 34±3 0.40±0.02 100
QDEVD 11±1 151±8 0.07±0.01 18
LDEVD 9±1 107±5 0.08±0.01 20