2.2.1.9: 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase
This is an abbreviated version!
For detailed information about 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase, go to the full flat file.
Word Map on EC 2.2.1.9
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2.2.1.9
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menaquinone
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thiamin
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thdp-dependent
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diphosphate-dependent
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alpha-ketoglutarate
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2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylic
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dioxide
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benzoylformate
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decarboxylases
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stereoselective
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hydrolases
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alpha/beta
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o-succinylbenzoic
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metal-ion-dependent
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three-domain
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two-stage
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medium-resolution
- 2.2.1.9
- menaquinone
- thiamin
-
thdp-dependent
-
diphosphate-dependent
- alpha-ketoglutarate
-
2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylic
- dioxide
- benzoylformate
- decarboxylases
-
stereoselective
- hydrolases
- alpha/beta
-
o-succinylbenzoic
-
metal-ion-dependent
-
three-domain
-
two-stage
-
medium-resolution
Reaction
Synonyms
(1R,2S,5S,6S)-2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase, (1R,2S,5S,6S)-2-succinyl-5-enolpyruvyl-6-hydroxycyclohex-3-ene-1-carboxylate synthase, 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexadiene-1-carboxylate synthase, 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase, 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic acid synthase, EC 2.5.1.64, EcMenD, MenD, Rv0555, SEPHCHC synthase, SHCHC synthase
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General Information
General Information on EC 2.2.1.9 - 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase
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evolution
the enzyme Men D is not significantly different from other ThDP-dependent enzymes in active-site architecture, cofactor binding, or overall three-dimensional structure, suggesting the use of the canonical enamine intermediate in its catalysis
metabolism
physiological function
additional information
in the covalent tetrahedral enamine intermediate, all of the bond lengths and angles of its planar thiazolium ring are comparable to those of a similar enzyme-free thiamine diphosphate adduct, complex crystal structure determination and analysis, NMR structure analysis and modeling, overview
MenD is a thiamine diphosphate-dependent enzyme that catalyzes a distinctive Stetterlike 1,4-addition reaction in bacterial biosynthesis of vitamin K2
metabolism
the enzyme catalyzes an essential Stetter reaction in menaquinone (vitamin K2) biosynthesis via thiamine diphosphate (ThDP)-bound tetrahedral postdecarboxylation intermediates
first enzyme in biosynthesis of menaquinone or vitamin K2, influence on electron transport in bacteria