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. Author manuscript; available in PMC: 2012 Dec 4.
Published in final edited form as: Int J Biochem Cell Biol. 2009 Feb 20;41(7):1601–1612. doi: 10.1016/j.biocel.2009.02.003

Table 3.

Ki values for interaction between cystatins and human and F. hepatica cathepsins.

Human
cathepsin L		 FhcatL5 Human
cathepsin B		 FhcatB1
Human
cystatin A		 0.174
± 0.009		 0.049
± 0.003		 370
± 50		 225
± 56
Human
cystatin B		 0.176
± 0.011		 3.25
± 0.028		 No inhibition 2200
± 320
Sheep
cystatin B		 0.122 ± 0.009 0.52
± 0.041		 410
± 25		 215
± 32
Human
cystatin C		 0.00625
± 0.0004		 0.00659
± 0.0026		 0.600
± 0.025		 93.4
± 20.4

All Ki values shown are expressed in nM.