2.5.1.9: riboflavin synthase
This is an abbreviated version!
For detailed information about riboflavin synthase, go to the full flat file.
Word Map on EC 2.5.1.9
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2.5.1.9
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6,7-dimethyl-8-ribityllumazine
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cyclohydrolase
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5-amino-6-ribitylamino-2,41h,3h-pyrimidinedione
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dismutation
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guilliermondii
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3,4-dihydroxy-2-butanone
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icosahedral
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bartonellae
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photobacterium
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flavinogenic
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flavinogenesis
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ashbyii
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eremothecium
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ribitylated
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leiognathi
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henselae
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famata
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drug development
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pharmacology
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medicine
- 2.5.1.9
- 6,7-dimethyl-8-ribityllumazine
-
cyclohydrolase
-
5-amino-6-ribitylamino-2,41h,3h-pyrimidinedione
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dismutation
- guilliermondii
- 3,4-dihydroxy-2-butanone
-
icosahedral
-
bartonellae
- photobacterium
-
flavinogenic
-
flavinogenesis
-
ashbyii
- eremothecium
-
ribitylated
- leiognathi
- henselae
- famata
- drug development
- pharmacology
- medicine
Reaction
2 6,7-dimethyl-8-(1-D-ribityl)lumazine = +
Synonyms
heavy riboflavin synthase, light riboflavin synthase, lumazine synthase/riboflavin synthase complex, RibD, RibE1, riboflavin synthase, riboflavin synthetase, riboflavine synthase, riboflavine synthetase, synthase, riboflavin
ECTree
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KI Value
KI Value on EC 2.5.1.9 - riboflavin synthase
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0.332
1-deoxy-1-[2,6,8-trioxo-7-[4-(phosphonooxy)butyl]-1,2,3,6,7,8-hexahydro-9H-purin-9-yl]-D-ribitol
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.0025 - 0.047
2,4-dioxo-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]-1,2,3,4-tetrahydropyrimidin-5-aminium chloride
0.314
2-chloro-N-(2,4-dioxo-6-((2S,3S,4R)-2,3,4,5-tetrahydroxypentylamino)-1,2,3,4-tetrahydropyrimidin-5-yl)propanamide
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.02
4-[2,4,7-trioxo-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,4,7,8-hexahydropteridin-6-yl]butanoic acid
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pH 7.5, 37°C
0.15
4-[2,4,7-trioxo-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,4,7,8-hexahydropteridin-6-yl]butyl dihydrogen phosphate
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pH 7.5, 37°C
1.6
4-[2,4,7-trioxo-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1,2,3,4,7,8-hexahydropteridin-6-yl]propyl dihydrogen phosphate
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pH 7.5, 37°C
1
5-(hexyl 6-dihydrogen phosphate)-6-([(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino)pyrimidine-2,4(1H,3H)-dione
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pH 7.5, 37°C
1
5-(pentyl 6-dihydrogen phosphate)-6-([(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino)pyrimidine-2,4(1H,3H)-dione
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pH 7.5, 37°C
0.0025 - 0.047
5-amino-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]pyrimidine-2,4(1H,3H)-dione
0.0084 - 0.037
5-nitro-6-[(3S,4S,5R)-3,4,5,6-tetrahydroxyhexyl]pyrimidine-2,4(1H,3H)-dione
0.00056 - 0.0027
5-nitro-6-[[(2R,3R,4R)-2,3,4,5 tetrahydroxypentyl]sulfanyl]pyrimidine-2,4(1H,3H)-dione
0.00056 - 0.0027
5-nitro-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]pyrimidine-2,4(1H,3H)-dione
0.036 - 0.038
5-nitro-6-[[(2S,3R,4R)-2,3,4,5-tetrahydroxypentyl]oxy]pyrimidine-2,4(1H,3H)-dione
0.0042 - 0.008
5-nitro-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]pyrimidine-2,4(1H,3H)-dione
0.65
6-methyl-7-methylidene-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-7,8-dihydropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
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pH 7.5, 37°C
0.00074
7-hydroxy-7-methyl-8-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)-7,8-dihydropteridin-2,4,6(1H,3H,5H)-trione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.0000062
8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-5,8-dihydropteridine-2,4,6,7(1H,3H)-tetrone
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.0000013
ethyl [(2,4-dioxo-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]-1,2,3,4-tetrahydropyrimidin-5-yl)amino](oxo)acetate
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.052
N-[2,4-dioxo-6-((2S,3S,4R)-2,3,4,5-tetrahydroxypentylamino]-1,2,3,4-tetrahydropyrimidin-5-yl)methacrylamide
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.014 - 0.106
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
0.0087 - 0.036
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
0.01 - 0.135
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
0.02 - 0.05
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
0.0067 - 0.312
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
0.01 - 0.104
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
additional information
additional information
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inhibition kinetics, recombinant enzyme
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0.0025
2,4-dioxo-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]-1,2,3,4-tetrahydropyrimidin-5-aminium chloride
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pH 7.0, 27°C
0.047
2,4-dioxo-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]-1,2,3,4-tetrahydropyrimidin-5-aminium chloride
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pH 7.0, 27°C
0.0025
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.047
5-amino-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]pyrimidine-2,4(1H,3H)-dione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.0084
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.037
5-nitro-6-[(3S,4S,5R)-3,4,5,6-tetrahydroxyhexyl]pyrimidine-2,4(1H,3H)-dione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.00056
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pH 7.0, 27°C
0.0027
5-nitro-6-[[(2R,3R,4R)-2,3,4,5 tetrahydroxypentyl]sulfanyl]pyrimidine-2,4(1H,3H)-dione
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pH 7.0, 27°C
0.00056
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.0027
5-nitro-6-[[(2R,3R,4R)-2,3,4,5-tetrahydroxypentyl]sulfanyl]pyrimidine-2,4(1H,3H)-dione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.036
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.038
5-nitro-6-[[(2S,3R,4R)-2,3,4,5-tetrahydroxypentyl]oxy]pyrimidine-2,4(1H,3H)-dione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.0042
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.008
5-nitro-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]pyrimidine-2,4(1H,3H)-dione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.00061
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pH 7.5, 37°C
0.00061
9-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-7,9-dihydro-1H-purine-2,6,8(3H)-trione
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in 100 mM Tris-HCl, pH 7.0, 100 mM NaCl, 2% (v/v) DMSO, 5 mM dithiothreitol, at 27°C
0.014
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Ki value, mechanism is partial
0.038
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
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Kis value, mechanism is partial
0.091
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
Kis value, mechanism is partial
0.106
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
Ki value, mechanism is partial
0.0087
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noncompetitive mechanism, compound has a kis value of 0.0087 mM and moderate antibiotic activity against both Mycobacterium tuberculosis replicating phenotype and non-replicating persistent phenotype
0.031
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
partial mechanism, Ki value
0.036
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
partial mechanism, Kis value
0.01
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Kis value, mechanism is partial
0.016
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
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Ki value, mechanism is partial
0.135
[3-(4-chlorophenyl)-5-hydroxy-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
Ki value, mechanism is competitive
0.02
partial mechanism, Kis value
0.0366
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
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noncompetitive mechanism, the most potent antibiotic compound displays a minimum inhibitory concentration of 0.0366 mM versus Mycobacterium tuberculosis replicating phenotype, the compound and its analogues provide the first examples of riboflavin synthase inhibitors with antibiotic activity
0.0489
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
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noncompetitive mechanism, the most potent antibiotic compound displays a minimum inhibitory concentration of 0.0489 mM versus Mycobacterium tuberculosis nonreplicating phenotype
0.05
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](m-tolyl)methanone
partial mechanism, Ki value
0.0067
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Ki value, mechanism is partial
0.016
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
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Kis value, mechanism is partial
0.057
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
Kis value, mechanism is partial
0.312
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](o-tolyl)methanone
Ki value, mechanism is partial
0.01
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Kis value, mechanism is partial
0.023
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
-
Ki value, mechanism is partial
0.061
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
Ki value, mechanism is partial
0.104
[5-(4-chlorophenyl)-5-hydroxy-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl](p-tolyl)methanone
Kis value, mechanism is partial