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. 2015 Jun 12;5:10465. doi: 10.1038/srep10465

Table 3. Substrate range of B. clausii and B. coagulans LMCOs compared to previously characterised B. subtilis CotA (Reiss et al. 4). Out of 91 tested compounds only those are shown which were oxidised by at least one of the three enzymes.

Structural group Compound B. subt.4 B. clau. B. coag.
Aromatic carboxylic acids p-Coumaric acid +/− + +
  Caffeic acid +
  Ferulic acid + +/− +/−
  Sinapic acid + + +
  3,4-Dihydroxybenzoic acid + +/− +/−
  Gallic acid +
  Syringic acid + + +
  3-Amino-4 hydroxybenzoic acid + +/−
  4-Amino-3 hydroxybenzoic acid + + +
  Vanillic acid +/− +/− +/−
  3-(Dimethylamino) benzoic acid +/− +
  3-Hydroxyanthranilic acid +
  p-Hydroxyphenylpyruvic acid +
Aromatic alcohols Vanillyl alcohol + + +
  Isovanillyl alcohol + + +/−
  Coniferyl alcohol + + +
  Tyrosol +
  p-Cresol + +/−
  2,6-Dimethylphenol + +
  Catechol + + +
  4-Methylcatechol + + +
  Pyrogallol + +/− +/−
  2,6-Dimethoxyphenol + + +
  3,4,5-Trimethoxyphenol +/−
  Guaiacol + + +
  Hydroquinone + + +
  Mesitol + + +/−
  3-Methylcatechol + + +
  Eugenol + + +
  Arbutin + + +
  Resveratrol + +/− +/−
  Quercetin hydrate +/− + +
Aromatic ketones Acetovanillone + +/− +
  Acetosyringone + +/− +/−
Aromatic aldehydes o-Vanillin + + +
  Syringaldehyde + +/− +/−
  Ethyl vanillin + + +
  Vanillin +/− +/−
  Sinapaldehyde + + +
  Coniferyl aldehyde + + +
Aromatic amines Dopamine hydrochloride + + +
Aromatic esters Methyl vanillate + +/− +/−
  Methylsyringate +
Aromatic amides Syringamide + + +
  N-Hydroxyacetanilide + + +
Polyphenol Tannic acid + + +
N-heterocycles Violuric acid hydrate +/− +/−
  1-(3-Sulfophenyl)-3-methyl-2-pyrazolin-5-one + + +
  1-(4-Sulfophenyl)-3-methyl-5-pyrazolone + + +
Aromatic azo compounds ABTS + + +
  Syringaldazine + + +
Triphenyl compounds Cresol red sodium salt + + +
Chromans (+)-Catechin hydrate + + +
  (−)-Epicatechin + + +
Phenothiazines Phenothiazine + + +
  Promazine hydrochloride + + +
Benzonitriles 2,3-Dimethoxybenzonitrile +/−
Naphtalenes 1-Nitroso-2-naphthol-3,6-disulfonic acid + + +
  2-Nitroso-1-naphthol-4-sulfonic acid + + +
  1-Amino-2-naphthol-4-sulfonic acid + +/−