Table 6: Inhibition of enzyme activity.
| Inhibitor | BlowflyB | CockroachA | HumanC,D & MammalianE | WT MF | WT CF | ome1MF | ome1CF |
| DPP IV | |||||||
| PMSF | +++ | - | ++C | +++ | +++ | ++ | ++ |
| Diprotin A | - | +++ | +++C | +++ | +++ | - | - |
| ZnCl2 | +++ | - | +++C | +++ | +++ | + | + |
| Bacitracin | - | N/A | +++E | - | + | - | - |
| Bestatin | - | - | +D | - | - | - | - |
+: sensitivity between 50-75%,++:sensitivity between 25-50%,+++: sensitivity 25% or less
A: From Nassel et. al 2000
B: From Martensen et al 1998
C: From De Meester et al, 1992 and Mentlein et al, 1986
D: Buckley et al, 2004
E: From O’Connor and O'Cuinn, 1986