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1.13.11.27: 4-hydroxyphenylpyruvate dioxygenase

This is an abbreviated version!
For detailed information about 4-hydroxyphenylpyruvate dioxygenase, go to the full flat file.

Word Map on EC 1.13.11.27

Reaction

4-hydroxyphenylpyruvate
+
O2
=
homogentisate
+
CO2

Synonyms

4-HPPD, 4-hydroxyphenylpyruvare dioxygenase, 4-hydroxyphenylpyruvate dioxygenase, 4-hydroxyphenylpyruvic acid dioxygenase, 4HPPD, ASJ32_19370, At-HPPD, AtHPPD, AvHPPD-03, EC 1.14.2.2, EC 1.99.1.14, formerly, F Alloantigen, F protein, F-antigen homolog, HPD, hpdA, HPPD, HPPDase, Legiolysin, MsHPPD, oxygenase, 4-hydroxyphenylpyruvate di-, p-hydroxyphenyl pyruvate dioxygenase, p-hydroxyphenylpyruvate dioxygenase, p-hydroxyphenylpyruvate hydroxylase, p-hydroxyphenylpyruvate oxidase, p-hydroxyphenylpyruvic acid hydroxylase, p-hydroxyphenylpyruvic hydroxylase, p-hydroxyphenylpyruvic oxidase, PTO1369, Pt_Hpd, T-cell reactive protein, TF-AG, YS103B

ECTree

     1 Oxidoreductases
         1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
             1.13.11 With incorporation of two atoms of oxygen
                1.13.11.27 4-hydroxyphenylpyruvate dioxygenase

KM Value

KM Value on EC 1.13.11.27 - 4-hydroxyphenylpyruvate dioxygenase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.027
(4-hydroxyphenyl)-pyruvate
-
pH 7.0, 25°C
0.5
2-thienylpyruvate
-
-
0.05
3,4-Dihydroxyphenylpyruvate
-
-
0.25
3-thienylpyruvate
-
-
0.0017 - 54
4-hydroxyphenylpyruvate
0.05
4-hydroxytetrafluorophenylpyruvate
-
-
0.05 - 0.1
O2
0.115
oxygen
-
activity is measured polarographically, assays include 0.5 microM of enzyme, 500 microM betaME, Fe2+ stoichiometric with enzyme, and 400 microM 4-hydroxyophenylpyruvate in 20 mM HEPES at pH 7.0 at 4°C
0.06 - 0.52
phenylpyruvate
additional information
additional information
-