Table 3.

Inhibition ratios of inhibitors on bacterial extracellular proteases.

Phyla	Genera	Strains	Inhibition ratio (%) a
			PMSF (1.0 mM)	OP (1.0 mM)	Pepstatin A (0.1 mM)	E64 (0.1 mM)
Firmicutes	Alkalihalobacillus	D1-3	28.83	52.28	11.66	6.1
		F1-12	36.58	84.97	10.87	25.59
		H1-7	24.31	29.13	13.72	4.93
		H2-9	8.77	28.02	—	—
	Bacillus	D1-8	38.56	56.64	2.59	21.82
		D1-9	53.12	19.51	18.94	22.03
		D2-9	48.08	4.24	—	—
		F2-3	18.01	57.52	20.06	11.66
	Planococcus	F1-30	37.17	41.78	4.53	1.67
		H1-3	53.21	18.68	—	—
		H1-2	61.22	33.83	—	—
	Metaplanococcus	H2-13	10.26	28.16	—	—
	Rossellomorea	D3-7	21.66	10.3	—	—
		D3-5	29.33	11.88	—	—
	Halobacillus	F1-26	52.25	4.2	—	—
		F1-13	41.18	66.2	15.92	27.24
	Jeotgalibacillus	D2-1	68.97	—	—	—
Proteobacteria	Psychrobacter	D1-1	27.6	32.65	14.98	2.18
	Pseudoalteromonas	F4-2	51.61	5.01	—	4.7
	Shewanella	H3-5	44.28	28.31	—	—

^aInhibition ratio refers to the difference between the relative residue activity of each sample after incubation with and without an inhibitor.