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Literature summary extracted from

  • Parveen, I.; Winters, A.; Threadgill, M.D.; Hauck, B.; Morris, P.
    Extraction, structural characterisation and evaluation of hydroxycinnamate esters of orchard grass (Dactylis glomerata) as substrates for polyphenol oxidase (2008), Phytochemistry, 69, 2799-2806.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.14.18.1 0.37
-
 2-caffeoylisocitric acid apparent value Dactylis glomerata
1.14.18.1 0.82
-
 2-caffeoylisocitric acid 6-methyl ester apparent value Dactylis glomerata
1.14.18.1 2.62
-
 4-methylbenzene-1,2-diol apparent value Dactylis glomerata
1.14.18.1 3.47
-
 chlorogenic acid apparent value Dactylis glomerata

Organism

EC Number Organism UniProt Comment Textmining
1.14.18.1 Dactylis glomerata
-
 cultivar Abertop
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.18.1 leaf
-
 Dactylis glomerata
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.18.1 (1R,3R,4S,5R)-3-[[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy]-1,4,5-trihydroxycyclohexanecarboxylic acid + O2
-
 Dactylis glomerata (1R,3R,4S,5R)-3-[[(2E)-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)prop-2-enoyl]oxy]-1,4,5-trihydroxycyclohexanecarboxylic acid + H2O
-
 ?
1.14.18.1 (1S,3R,4S,5R)-4-[[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy]-1,3,5-trihydroxycyclohexanecarboxylic acid + O2
-
 Dactylis glomerata (1S,3R,4S,5R)-4-[[(2E)-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)prop-2-enoyl]oxy]-1,3,5-trihydroxycyclohexanecarboxylic acid + H2O
-
 ?
1.14.18.1 2-caffeoylisocitric acid + O2 i.e., E-3-carboxy-2-(3-(3,4-dihydroxyphenyl)prop-2-enoyloxy)pentanedioic acid Dactylis glomerata ?
-
 ?
1.14.18.1 2-caffeoylisocitric acid 6-methyl ester + O2 i.e, E-2-(3-(3,4-dihydroxyphenyl)prop-2-enoyloxy)-3-(methoxycarbonyl)pentanedioic acid Dactylis glomerata ?
-
 ?
1.14.18.1 2-hydroxy-1-[[(2E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyl]oxy]propane-1,2,3-tricarboxylic acid + O2
-
 Dactylis glomerata 3-C-carboxy-2-deoxy-4-O-[(2E)-3-(3-methoxy-4-oxocyclohexa-1,5-dien-1-yl)prop-2-enoyl]pentaric acid + H2O
-
 ?
1.14.18.1 2-O-caffeoylhydroxycitric acid + O2 i.e., E-3-carboxy-2-(3-(3,4-dihydroxyphenyl)prop-2-enoyloxy)-3-hydroxypentanedioic acid Dactylis glomerata ?
-
 ?
1.14.18.1 2-O-caffeoylthreonic acid + O2 i.e., E-2-(3-(3,4-dihydroxyphenyl)prop-2-enoyloxy)-3,4-dihydroxybutanoic acid Dactylis glomerata ?
-
 ?
1.14.18.1 2-[[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy]-3,4-dihydroxybutanoic acid + O2
-
 Dactylis glomerata 2-[[(2E)-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)prop-2-enoyl]oxy]-3,4-dihydroxybutanoic acid + H2O
-
 ?
1.14.18.1 4-methylbenzene-1,2-diol + O2
-
 Dactylis glomerata ?
-
 ?
1.14.18.1 chlorogenic acid + O2 the major polyphenol oxidase substrate is chlorogenic acid Dactylis glomerata ?
-
 ?
1.14.18.1 L-tyrosine + O2
-
 Dactylis glomerata L-DOPA + H2O
-
 ?
1.14.18.1 p-coumaric acid + O2
-
 Dactylis glomerata ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.14.18.1 catechol oxidase
-
 Dactylis glomerata
1.14.18.1 catecholase
-
 Dactylis glomerata
1.14.18.1 Diphenol oxidase
-
 Dactylis glomerata
1.14.18.1 o-diphenolase
-
 Dactylis glomerata
1.14.18.1 phenolase
-
 Dactylis glomerata
1.14.18.1 polyphenol oxidase
-
 Dactylis glomerata
1.14.18.1 PPO
-
 Dactylis glomerata
1.14.18.1 tyrosinase
-
 Dactylis glomerata

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.14.18.1 7
-
 with 10 mM 4-methylbenzene-1,2-diol as substrate in citrate-phosphate buffer Dactylis glomerata