Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Ratio of velocities of keratin to casein hydrolysis as a criterion of enzyme specificity for keratinous substrates
| Enzyme | Velocity (U/mg/min)
|
Ratio, keratin/casein | |
|---|---|---|---|
| Keratin | Casein | ||
| Proteinase K | 35.1 | 50.4 | 0.70 |
| Keratinase of P. marquandii | 24.8 | 36.3 | 0.69 |
| Keratinase of D. microsporus | 14.6 | 27.9 | 0.52 |
| Elastase | 8.2 | 32.0 | 0.25 |
| Subtilisin | 6.6 | 21.3 | 0.30 |
| Trypsin | 4.2 | 10.0 | 0.42 |
| Chymotrypsin | 3.0 | 25.8 | 0.12 |
| Collagenase | 0 | 4.8 | 0 |
