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Table 3 The effects of XX, A3X, XXX, A2XX, and A2+3XX on the \(K_{m}^{\text{app}}\) and Ki values of Cel7A using pNPC as substrate

From: Insight into the role of α-arabinofuranosidase in biomass hydrolysis: cellulose digestibility and inhibition by xylooligomers

Inhibitors Concentrations (mM) Km or \(K_{m}^{\text{app}}\) (mM) Ki (mM)
None 0 0.58  
XX 1.0 1.01 0.98 ± 0.22
  0.5 0.87  
  0.1 0.68  
A3X 1.0 0.94 1.62 ± 0.18
  0.5 0.80  
  0.1 0.61  
XXX 1.0 0.73 3.22 ± 0.32
  0.5 0.68  
  0.1 0.60  
A2XX 1.0 0.70 4.51 ± 0.85
  0.5 0.68  
  0.1 0.59  
A2+3XX 1.0 0.66 7.57 ± 1.12
  0.5 0.61  
  0.1 0.59  
  1. The value of Km was obtained with the reaction without inhibitors