Table 5 Effect of metal chelating agents and inhibitors on miswak α-amylases
From: Purification and characterization of α-Amylase from Miswak Salvadora persica
Inhibitor | Relative activity % | ||||
|---|---|---|---|---|---|
A1 | A4a | A4b | A5a | A5b | |
EDTA | 16 | 25 | 17 | 10 | 10 |
Sodium citrate | 84 | 56 | 69 | 51 | 53 |
Sodium oxalate | 92 | 61 | 44 | 53 | 60 |
PMSF | 90 | 91 | 88 | 48 | 77 |
1,10 phenatroline | 95 | 80 | 85 | 57 | 59 |
p-HMB | 28 | 45 | 79 | 60 | 35 |
DTNB | 66 | 65 | 65 | 91 | 47 |