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EC Tree
IUBMB Comments The Pseudomonas enzyme contains one Fe3+ per mole of enzyme; the enzymes from other sources may contain essential iron or copper.
The taxonomic range for the selected organisms is: Rattus norvegicus The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
f protein, 4-hydroxyphenylpyruvate dioxygenase, tf-ag, p-hydroxyphenylpyruvate dioxygenase, 4-hppd, 4-hydroxyphenylpyruvic acid dioxygenase, 4hppd, athppd, p-hydroxyphenylpyruvate hydroxylase, legiolysin,
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4-hydroxyphenylpyruvic acid dioxygenase
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EC 1.99.1.14, formerly
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F-antigen homolog
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oxygenase, 4-hydroxyphenylpyruvate di-
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p-hydroxyphenylpyruvate dioxygenase
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p-hydroxyphenylpyruvate hydroxylase
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p-hydroxyphenylpyruvate oxidase
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p-hydroxyphenylpyruvic acid hydroxylase
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p-hydroxyphenylpyruvic hydroxylase
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p-hydroxyphenylpyruvic oxidase
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T-cell reactive protein
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4-hydroxyphenylpyruvate + O2 = homogentisate + CO2
reaction mechanism, quantum and molecular mechanics (QM/MM) combined with coupling techniques and molecular dynamics, overview
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side-chain migration
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4-hydroxyphenylpyruvate:oxygen oxidoreductase (hydroxylating, decarboxylating)
The Pseudomonas enzyme contains one Fe3+ per mole of enzyme; the enzymes from other sources may contain essential iron or copper.
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4-hydroxyphenylpyruvate + O2
homogentisate + CO2
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3,4-dihydroxyphenylpyruvate + O2
? + CO2
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4-hydroxyphenylpyruvate + O2
homogentisate + CO2
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phenylpyruvate + O2
2-hydroxyphenylacetate + CO2
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?
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4-hydroxyphenylpyruvate + O2
homogentisate + CO2
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?
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Fe2+
required for catalysis, mechanism, overview
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1-(1,1-dimethylethyl)-5-hydroxy-4-(3-(4-(methoxy)phenyl)-2-methyl-4-(methylsulfonyl)benzoyl)pyrazole
50% inhibition below 20 nM
DAS 869
strong inhibition
mesotrione
low inhibition
NTBC
tauromers, strong inhibition of the two tautomers
sulcotrione
low inhibition
2-(2-chloro-4-methanesulfonylbenzoyl)-1,3-cyclohexanedione
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rapid inactivation of the enzyme by the formation of an enzyme-inhibitor complex that dissociates with recovery of enzyme activity
2-[2-nitro-4-(trifluoromethyl)benzoyl]-4,4,6,6-tetramethylcyclohexane-1,3,5-trione
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50 nM, 50% inhibition, tight-binding reversible inhibitor, rapid inactivation by the formation of an enzyme-inhibitor complex that dissociates extremely slowly with recovery of enzyme activity
4-hydroxyphenylpyruvate
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o-hydroxyphenylpyruvate
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competitive inhibitor of 4-hydroxyphenylpyruvate
additional information
[1-tert-butyl-3-(2,4-dichlorophenyl)-5-hydroxy-1H-pyrazol-4-yl][2-chloro-4-(methylsulfonyl)phenyl]methanone, no significant inhibition up to 0.02 mM
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additional information
enzyme inhibition mechanisms and binding structures, molecular docking study, overview
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0.05
3,4-Dihydroxyphenylpyruvate
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0.05
4-hydroxyphenylpyruvate
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0.00002
DAS 645
Rattus norvegicus
below, pH and temperature not specified in the publication
0.00004
NTBC
Rattus norvegicus
pH and temperature not specified in the publication
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additional information
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methods for assay
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SwissProt
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expression in Escherichia coli
SwissProt
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abundantly expressed in neurons of
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abundantly expressed in neurons of
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additional information
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no enzymatic activity in any tissue other than liver and kidney
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additional information
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no activity detected in heart, muscle and brain
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membrane of
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membrane of
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additional information
enzyme molecular docking study using crystal structure PDB ID 1SQI
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HPPD_RAT
393
0
45112
Swiss-Prot
Mitochondrion (Reliability: 5 )
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44000
x * 44000, SDS-PAGE and deduced from gene sequence
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x * 44000, SDS-PAGE and deduced from gene sequence
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proteolytic modification
undergoes both N-and C-terminal processing, C-terminal processing enhances enzymic activity
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with and without inhibitors 1-(1,1-dimethylethyl)-5-hydroxy-4-(3-(4-(methoxy)phenyl)-2-methyl-4-(methylsulfonyl)benzoyl)pyrazole or [1-tert-butyl-3-(2,4-dichlorophenyl)-5-hydroxy-1H-pyrazol-4-yl][2-chloro-4-(methylsulfonyl)phenyl]methanone
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Abbott, M.T.; Udenfriend, S.
alpha-Ketoglutarate-coupled dioxygenases
Mol. Mech. Oxygen Activ. (Hayaishi, O., ed.) Academic Press, New York
167-214
1974
Bos taurus, Canis lupus familiaris, Cavia porcellus, Gallus gallus, Oryctolagus cuniculus, Frog, Homo sapiens, Platyrrhini, Oncorhynchus mykiss, Didelphidae, Rattus norvegicus, Sus scrofa
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Fellman, J.H.; Fujita, T.S.; Roth, E.S.
Assay, properties and tissue distribution of p-hydroxyphenylpyruvate hydroxylase
Biochim. Biophys. Acta
284
90-100
1972
Platyrrhini, Oncorhynchus mykiss, Didelphidae, Rattus norvegicus
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Ellis, M.K.; Whitfield, A.C.; Gowans, L.A.; Auton, T.R.; Provan, W.M.; Lock, E.A.; Lee, D.L.; Smith, L.L.
Characterization of the interaction of 2-[2-nitro-4-(trifluoromethyl)benzoyl]-4,4,6,6-tetramethylcyclohexane-1,3,5-trione with rat hepatic 4-hydroxyphenylpyruvate dioxygenase
Chem. Res. Toxicol.
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24-27
1996
Rattus norvegicus
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Ellis, M.K.; Whitfield, A.C.; Gowans, L.A.; Auton, T.R.; Provan, W.M.; Lock, E.A.; Smith, L.L.
Inhibition of 4-hydroxyphenylpyruvate dioxygenase by 2-(2-nitro-4-trifluoromethylbenzoyl)-cyclohexane-1,3-dione and 2-(2-chloro-4-methanesulfonylbenzoyl)-cyclohexane-1,3-dione
Toxicol. Appl. Pharmacol.
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12-19
1995
Rattus norvegicus
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Yang, C.; Pflugrath, J.W.; Camper, D.L.; Foster, M.L.; Pernich, D.J.; Walsh, T.A.
Structural basis for herbicidal inhibitor selectivity revealed by comparison of crystal structures of plant and mammalian 4-hydroxyphenylpyruvate dioxygenases
Biochemistry
43
10414-10423
2004
Rattus norvegicus (P32755), Arabidopsis thaliana (P93836), Arabidopsis thaliana
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Neve, S.; Aarenstrup, L.; Tornehave, D.; Rahbek-Nielsen, H.; Corydon, T.J.; Roepstorff, P.; Kristiansen, K.
Tissue distribution, intracellular localization and proteolytic processing of rat 4-hydroxyphenylpyruvate dioxygenase
Cell Biol. Int.
27
611-624
2003
Rattus norvegicus (P32755)
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Silva, T.; Dos Santos Pires, M.; De Castro, A.; Da Cunha, E.; Caetano, M.; Ramalho, T.
Molecular insight into the inhibition mechanism of plant and rat 4-hydroxyphenylpyruvate dioxygenase by molecular docking and DFT calculations
Med. Chem. Res.
24
3958-3971
2015
Rattus norvegicus (P32755), Arabidopsis thaliana (P93836)
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