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Table 1 Comparison of the kinetic parameters of various chitinases for 4NP-(GlcNAc)2

From: Characterization of a Bacillus thuringiensis chitinase that binds to cellulose and chitin

Enzymes k cat
(s−1)
K M
(μM)
k cat/K M
(s−1 μM−1)
pH Temp
(°C)
BthChi74 1.5 ±0.02 159 ±0.5 0.01 6.0 50
LinChi78 10.4 ±0.4 127 ±0.8 0.08 6.0 50
LinChi35 51.1 ±0.02 885 ±25 0.06 5.0 50
SmChiB 1.4 ±0.5 181 ±35 0.01 6.1 37
  1. The kinetic parameters of various chitinases and the conditions for activity measurements were obtained from the following resources: BthChi74 (this study), LinChi78 (Honda et al. 2016), LinChi35 (Honda et al. 2016), and SmChiB (Krokeide et al. 2007)