TABLE 2.

Inhibition profile of P. gingivalis DPPIV

Inhibitor	Concn	% of residual activity
DFP	1 mM	0
PMSF	10 mM	20
Pefabloc	1 mg/ml	3
3,4-Dichloroisocoumarin	1 mM	100
Iodoacetamide	0.1 mM	110
N-ethylmaleimide	5 mM	100
1,10-Orthophenanthroline	1 mM	97
EDTA	10 mM	100
Leupeptin	0.1 mM	100
Antipain	0.1 mM	100
Prolinal	0.1 mM	20
Cysteine	10 mM	105
Gly-Pro	10 mM	200
Ala-Pro	10 mM	30
Val-Pro	10 mM	0
Ala-Pro-Gly	10 mM	0
Zn2+	1 mM	1
Hg2+	1 mM	3
SDS	1%	0
Triton X-100	1%	0