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. 2009 Oct 21;285(1):308–316. doi: 10.1074/jbc.M109.043331

TABLE 5.

Inhibition constants of AEP, cathepsin V and trypsin by macrocypin, clitocypin and their mutants

NI, no inhibition.

Ki AEP Ki Cathepsin V Ki Trypsin
nm nm μm
Mcp 1a 3.38 ± 1.44 0.69 ± 0.06 NI
Mcp 1/4 NI 3.43 ± 0.31 0.18 ± 0.02
Mcp 4a >1000 1.44 ± 0.11 0.16 ± 0.01
Mcp 4/1 2.86 ± 0.38 10.2 ± 0.6 NI
Mcp 4 K72R NI 6.9 ± 1.1 0.13 ± 0.02
Clta 21.5 ± 2.81 0.084 ± 0.03 NI
Clt N70K NI 0.26 ± 0.09 NI

a Data reported previously (9).