From: Perspectives for biocatalytic lignin utilization: cleaving 4-O-5 and Cα–Cβ bonds in dimeric lignin model compounds catalyzed by a promiscuous activity of tyrosinase
Biocatalyst
k cat (s−1)
K m (mM)
k cat/K m (s−1mM−1)
Activity (U mg−1)
Lignin peroxidase (LiP)
13.72
3.54
3.88
2.06
Tyrosinase
0.12
0.31
0.39
0.058