TABLE 1.

Substrate specificity of B. clausii O/C supernatants toward p-nitroanilide (pNA)-conjugated synthetic peptide substrates

Supernatant and/or enzyme	Substrate specificity (μmol · min−1 · ml−1)
	N-Suc-Ala-Ala-Ala-pNA	N-Suc-Ala-Ala-Pro-Phe-pNA	N-Suc-Phe-pNA
B. clausii vegetative cell supernatant	1.05 × 10−3	13 × 10−3	0
B. clausii vegetative cell supernatant plus PMSF	0	0
B. clausii spore supernatant	5.68 × 10−3	54 × 10−3	0
B. clausii spore supernatant plus PMSF	0	0
Subtilisin A	32.0 × 10−3		0
Subtilisin A plus PMSF	0