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Table 1 CI reduction constants by acetylated, methylated and native (softwood and hardwood) lignosulfonates: Native VP vs W164S variant

From: Role of surface tryptophan for peroxidase oxidation of nonphenolic lignin

 

Softwood lignin

Hardwood lignin

Acetylated

Methylated

Native

Acetylated

Methylated

Native

Native VP

k 2 (s−1)

35.7 ± 3.5

–

–

25.9 ± 1.9

8.4 ± 0.9

188 ± 7

K D2 (μM)

111 ± 19

–

–

91 ± 13

66 ± 17

38 ± 3

k 2app (s−1 mM−1)

320 ± 24

101 ± 8

2080 ± 80

289 ± 22

128 ± 19

4950 ± 190

W164S variant

k 2 (s−1)

–

8.9 ± 2.7

–

7.9 ± 0.4

–

–

K D2 (μM)

–

355 ± 178

–

122 ± 11

–

–

k 2app (s−1 mM−1)

60 ± 3

25 ± 5

627 ± 87

65 ± 2

12 ± 2

540 ± 15