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Table 3 Substrate specificities of recombinant I. lacteus CD2 manganese peroxidases

From: Oxidation of a non-phenolic lignin model compound by two Irpex lacteus manganese peroxidases: evidence for implication of carboxylate and radicals

Substratea E max (M−1 cm−1) Wavelength (nm) IlMnP1 (U/L) IlMnP2 (U/L)
Mn2+ present Mn2+ absent Mn2+ present Mn2+ absent
ABTS 36,000 420 920 ± 43 480 ± 5 933 ± 29 160 ± 3
DMP 27,500 470 380 ± 6 14 ± 1 436 ± 10 4 ± 0
Guaiacol 12,100 465 142 ± 10 4 ± 0 234 ± 5 2 ± 0
  1. aThe concentration of each substrate was 1 mM