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Table 1 Relative and specific activities of the three MtFae1a versions on FAE model substrates

From: Glycosylation influences activity, stability and immobilization of the feruloyl esterase 1a from Myceliophthora thermophila

 

M-Fae

P-Fae

E-Fae

Relative activity (%)

Specific activity (µM/min/µg)

Relative activity (%)

Specific activity (µM/min/µg)

Relative activity (%)

Specific activity (µM/min/µg)

Methyl ferulate

47.5 ± 1.3

73.7 ± 2.0

64.9 ± 0.7

95.2 ± 1.1

37.6 ± 1.6

15.7 ± 0.7

Methyl caffeate

37.8 ± 4.0

58.7 ± 6.2

38.7 ± 1.9

56.8 ± 2.8

40.8 ± 3.2

17.1 ± 1.3

Methyl sinapate

19.9 ± 0.7

30.8 ± 1.1

24.8 ± 0.9

36.4 ± 1.3

Tracea

Tracea

Methyl p-coumarate

100 ± 6.0

155 ± 9.3

100 ± 1.7

147 ± 2.5

100 ± 3.4

41.9 ± 1.4

  1. Data were obtained at pH 7.0 and 37 °C, using a continuous assay. Results are presented as the average of three experiments ± one standard deviation
  2. aTrace: trace activity observed (less than 0.4 µM/min/µg)