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. 2019 Nov 18;87(12):e00319-19. doi: 10.1128/IAI.00319-19

FIG 5.

FIG 5

Strains 33277 and 381 display distinct cell-surface-associated gingipain activities. (A) Arginine (Rgp)-dependent and (B) lysine (Kgp)-dependent gingipain substrates were coincubated with strains 33277 and 381 (108 bacteria) and the OD450 was measured. Fold change in gingipain activity is reported relative to the PBS control. Data are presented as means ± SD from triplicate sample determinations and are representative of three independent experiments. Asterisks indicate statistical significance as determined by Student’s unpaired t test (**, P < 0.001; ***, P < 0.0001).