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Table 3 Comparison of β-glucosidase from A. niger and from Trichoderma reesei for the Michaelis-Menten model

From: Comparative kinetic analysis of two fungal β-glucosidases

 

Substrate

 

pNPG

Cellobiose

Property

A. niger

T. reesei

A. niger

T. reesei

k cat, per min

1582 ± 79

5276 ± 264

1897 ± 95

2445 ± 107

K m , mM

0.57

0.38

0.88

1.36

K p competitive inhibition, mM

2.70

3.25

3.40

-

K m /K p

0.21

0.12

0.26

-

  1. pNPG, ρ-nitrophenyl-β-D-glucopyranoside.