Reaction participants Show >> << Hide
- Name help_outline 4-methyl-2-oxopentanoate Identifier CHEBI:17865 Charge -1 Formula C6H9O3 InChIKeyhelp_outline BKAJNAXTPSGJCU-UHFFFAOYSA-M SMILEShelp_outline CC(C)CC(=O)C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 17 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,521 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline 3-methylbutanal Identifier CHEBI:16638 (CAS: 590-86-3) help_outline Charge 0 Formula C5H10O InChIKeyhelp_outline YGHRJJRRZDOVPD-UHFFFAOYSA-N SMILEShelp_outline CC(C)CC=O 2D coordinates Mol file for the small molecule Search links Involved in 5 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline CO2 Identifier CHEBI:16526 (CAS: 124-38-9) help_outline Charge 0 Formula CO2 InChIKeyhelp_outline CURLTUGMZLYLDI-UHFFFAOYSA-N SMILEShelp_outline O=C=O 2D coordinates Mol file for the small molecule Search links Involved in 1,006 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:54360 | RHEA:54361 | RHEA:54362 | RHEA:54363 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Related reactions help_outline
More general form(s) of this reaction
Publications
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An investigation of the metabolism of valine to isobutyl alcohol in Saccharomyces cerevisiae.
Dickinson J.R., Harrison S.J., Hewlins M.J.
The metabolism of valine to isobutyl alcohol in yeast was examined by 13C nuclear magnetic resonance spectroscopy and combined gas chromatography-mass spectrometry. The product of valine transamination, alpha-ketoisovalerate, had four potential routes to isobutyl alcohol. The first, via branched-c ... >> More
The metabolism of valine to isobutyl alcohol in yeast was examined by 13C nuclear magnetic resonance spectroscopy and combined gas chromatography-mass spectrometry. The product of valine transamination, alpha-ketoisovalerate, had four potential routes to isobutyl alcohol. The first, via branched-chain alpha-ketoacid dehydrogenase to isobutyryl-CoA is not required for the synthesis of isobutyl alcohol because abolition of branched-chain alpha-ketoacid dehydrogenase activity in an lpd1 disruption mutant did not prevent the formation of isobutyl alcohol. The second route, via pyruvate decarboxylase, is the one that is used because elimination of pyruvate decarboxylase activity in a pdc1 pdc5 pdc6 triple mutant virtually abolished isobutyl alcohol production. A third potential route involved alpha-ketoisovalerate reductase, but this had no role in the formation of isobutyl alcohol from alpha-hydroxyisovalerate because cell homogenates could not convert alpha-hydroxyisovalerate to isobutyl alcohol. The final possibility, use of the pyruvate decarboxylase-like enzyme encoded by YDL080c, seemed to be irrelevant, because a strain with a disruption in this gene produced wild-type levels of isobutyl alcohol. Thus there are major differences in the catabolism of leucine and valine to their respective "fusel" alcohols. Whereas in the catabolism of leucine to isoamyl alcohol the major route is via the decarboxylase encoded by YDL080c, any single isozyme of pyruvate decarboxylase is sufficient for the formation of isobutyl alcohol from valine. Finally, analysis of the 13C-labeled products revealed that the pathways of valine catabolism and leucine biosynthesis share a common pool of alpha-ketoisovalerate. << Less
J. Biol. Chem. 273:25751-25756(1998) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.