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. 2010 Jul 15;2010:132148. doi: 10.4061/2010/132148

Table 5.

Kinetic parameters of purified keratinase on casein and pNA.

Substrates Km V max  Kcat (min−1)
Casein 0.25 mg/mL 0.75 μg/mL/min 3.0
N-Suc-Ala-Ala-Pro-Phe-pNA 0.1 mM 2.0 μmoles/mL/min 20.0
N-Ala-Ala-Pro-Leu-pNA 0.25  mM 3.0 μmoles/mL/min 12.0