Table 2.
Table showing kcat/KM (in M−1s−1) values for the most preferred residues in position P4 in a substrate Abz-GXEVD-GVY(NO2)D and position P1′ in substrate Abz-GDEVD-XVY(NO2)D.47
Enzyme | P4 | kcat/KM | P1′ | kcat/KM |
---|---|---|---|---|
Caspase-1 | Tyrosine | 75000 | Glycine | 2700 |
Phenylalanine | 44500 | Serine | 1100 | |
| ||||
Caspase-3 | Aspartic acid | 200000 | Glycine | 193000 |
Serine | 200000 | |||
Alanine | 157000 | |||
Tyrosine | 63500 | |||
Phenylalanine | 63000 | |||
| ||||
Caspase-6 | Valine | 12000 | Glycine | 1100 |
Threonine | 11000 | |||
| ||||
Caspase-7 | Aspartic acid | 33000 | Glycine | 55100 |
Serine | 33000 | |||
Alanine | 25900 | |||
Tyrosine | 14500 | |||
Phenylalanine | 16600 | |||
| ||||
Caspase-8 | Leucine | 83000 | Glycine | 38900 |
Serine | 21400 |