Substrate | Concentration | Absorbance (nm) a | Relative protease activity (%) b | ||
---|---|---|---|---|---|
Natural protein | Casein | 30 g/L | 660 | 100 ± 2.5 | |
Gelatin | 30 g/L | 660 | 80 ± 2.0 | ||
Keratin | 30 g/L | 660 | 37 ± 0.9 | ||
Ovalbumin | 30 g/L | 660 | 20 ± 0.5 | ||
BSA | 30 g/L | 660 | 10 ± 0.2 | ||
Modified protein | Azo-casein | 25 g/L | 440 | 100 ± 2.5 | |
Albumin azure | 25 g/L | 440 | 50 ± 1.8 | ||
Keratin azure | 25 g/L | 595 | 30 ± 1.2 | ||
Collagen type I | 20 g/L | 440 | 0 ± 0.0 | ||
Collagen type II | 20 g/L | 440 | 0 ± 0.0 | ||
Ester | ATEE | 10 mM | 253 | 100 ± 2.5 | |
BTEE | 10 mM | 253 | 96 ± 2.4 | ||
BAEE | 10 mM | 253 | 0 ± 0.0 | ||
BCEE | 10 mM | 253 | 0 ± 0.0 | ||
TAME |        ↓ | 10 mM | 253 | 0 ± 0.0 | |
Synthetic peptide (pNA) |  | Suc-F-pNA | 5 mM | 410 | 49 ± 1.5 |
Benz-Y-pNA | 5 mM | 410 | 0 ± 0.0 | ||
M-pNA | 5 mM | 410 | 0 ± 0.0 | ||
Ac-L-pNA | 5 mM | 410 | 0 ± 0.0 | ||
P-pNA | 5 mM | 410 | 0 ± 0.0 | ||
V-pNA | 5 mM | 410 | 0 ± 0.0 | ||
Ac-A-pNA | 5 mM | 410 | 62 ± 1.6 | ||
Benz-R-pNA | 5 mM | 410 | 0 ± 0.0 | ||
Suc-YLV-pNA | 5 mM | 410 | 0 ± 0.0 | ||
Suc-AAA-pNA | 5 mM | 410 | 50 ± 1.3 | ||
Suc-AAV-pNA | 5 mM | 410 | 64 ± 1.7 | ||
Suc-AAF-pNA | 5 mM | 410 | 62 ± 1.6 | ||
Benz-FVR-pNA | 5 mM | 410 | 0 ± 0.0 | ||
Suc-FAAF-pNA | 5 mM | 410 | 100 ± 2.5 | ||
Suc-AAPF-pNA | 5 mM | 410 | 97 ± 2.5 | ||
Suc-AAVA-pNA | 5 mM | 410 | 92 ± 2.4 | ||
Suc-AAPM-pNA | 5 mM | 410 | 77 ± 1.9 | ||
Suc-AAPL-pNA | 5 mM | 410 | 65 ± 1.7 | ||
Suc-LLVY-pNA | 5 mM | 410 | 57 ± 1.6 | ||
Ac-YVAD-pNA | 5 mM | 410 | 0 ± 0.0 |