Compound
3-methyl-2-oxobutanoate
A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-methyl-2-oxobutanoic acid, arising from deprotonation of the carboxy group.
Definition from ChEBI (CHEBI:11851), read 2026-09-23. CC BY 4.0.
Structure
Loading the model…
- Class
- Organic compound, anion
- Formula
- C5H7O3
- Mass
- 115.108 g/mol
- Charge
- -1
- InChIKey
- QHKABHOOEWYVLI-UHFFFAOYSA-M
- SMILES
- CC(C)C(=O)C(=O)[O-]
- Look it up
- ChEBIPubChemBy InChIKey
Identity from ChEBI, geometry from PubChem. Not evidence.
What it touches on the way
Mechanistic reach
10 entities
10 entities reached.
0 reported hops10 assembled from the scaffold
- LDHAProteinUNIPROT:P00338substrate ofInferred only50 paths50 endpoints
- BCKDHAProteinUNIPROT:P12694substrate ofInferred only38 paths19 endpoints
- BCKDHBProteinUNIPROT:P21953substrate ofInferred only32 paths16 endpoints
- SLC16A1ProteinUNIPROT:P53985transported byInferred only25 paths25 endpoints
- LDHBProteinUNIPROT:P07195substrate ofInferred only23 paths23 endpoints
- LDHCProteinUNIPROT:P07864substrate ofInferred only9 paths9 endpoints
- SLC16A7ProteinUNIPROT:O60669transported byInferred only6 paths6 endpoints
- LDHDProteinUNIPROT:Q86WU2substrate ofInferred only5 paths5 endpoints
- LDHAL6BProteinUNIPROT:Q9BYZ2substrate ofInferred only5 paths5 endpoints
- LDHAL6AProteinUNIPROT:Q6ZMR3substrate ofInferred only3 paths3 endpoints
What the reference databases state
Chemical structure
- 3-methyl-2-oxobutanoate has the functional parent butanoateCompoundChEBI CHEBI:11851Inferred only
Statements
29 statements
29 statements · 2 reference databases · Subject: 3-methyl-2-oxobutanoate · Sources: Human-GEM, Rhea
- (R)-2-hydroxy-3-methylbutanoate is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:86067Inferred only
- 3-methyl-2-oxobutanoate is converted to (R)-2-hydroxy-3-methylbutanoateCompoundRhea RHEA:62268Inferred only
- 3-methyl-2-oxobutanoate is converted to (R)-2-hydroxy-3-methylbutanoateCompoundRhea RHEA:86067Inferred only
- (R)-2-hydroxy-3-methylbutanoate is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:62268Inferred only
- (R)-2-hydroxy-3-methylbutanoate is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:84927Inferred only
- 2-methylpropanoyl-CoA is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:13997Inferred only
- 3-methyl-2-oxobutanoate is converted to 2-methylpropanoyl-CoACompoundRhea RHEA:13997Inferred only
- D-valine is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:78203Inferred only
- L-valine is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:11156Inferred only
- 3-methyl-2-oxobutanoate is converted to L-valineCompoundRhea RHEA:11156Inferred only
- L-valine is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:30763Inferred only
- L-valine is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:61252Inferred only
Show the remaining 17
- 3-methyl-2-oxobutanoate is converted to L-valineCompoundRhea RHEA:30763Inferred only
- 3-methyl-2-oxobutanoate is converted to L-valineCompoundRhea RHEA:61252Inferred only
- L-valine is converted to 3-methyl-2-oxobutanoateCompoundRhea RHEA:24813Inferred only
- L-valine is converted to 3-methyl-2-oxobutanoateCompoundHuman-GEM MAR03744Inferred only
- L-valine is converted to 3-methyl-2-oxobutanoateCompoundHuman-GEM MAR03747Inferred only
- 3-methyl-2-oxobutanoate is a substrate of BCKDHAProteinHuman-GEM MAR20174Inferred only
- 3-methyl-2-oxobutanoate is a substrate of BCKDHAProteinRhea RHEA:13457Inferred only
- 3-methyl-2-oxobutanoate is a substrate of BCKDHBProteinRhea RHEA:13457Inferred only
- 3-methyl-2-oxobutanoate is a substrate of BCKDHBProteinHuman-GEM MAR20174Inferred only
- 3-methyl-2-oxobutanoate is a substrate of LDHAProteinHuman-GEM MAR11479Inferred only
- 3-methyl-2-oxobutanoate is a substrate of LDHAL6AProteinHuman-GEM MAR11479Inferred only
- 3-methyl-2-oxobutanoate is a substrate of LDHAL6BProteinHuman-GEM MAR11479Inferred only
- 3-methyl-2-oxobutanoate is a substrate of LDHBProteinHuman-GEM MAR11479Inferred only
- 3-methyl-2-oxobutanoate is a substrate of LDHCProteinHuman-GEM MAR11479Inferred only
- 3-methyl-2-oxobutanoate is a substrate of LDHDProteinHuman-GEM MAR11479Inferred only
- 3-methyl-2-oxobutanoate is transported by SLC16A1ProteinRhea RHEA:71783Inferred only
- 3-methyl-2-oxobutanoate is transported by SLC16A7ProteinRhea RHEA:71783Inferred only
Reactions
32 reactions
3-methyl-2-oxobutanoate+proton3-methyl-2-oxobutanoate+proton
Reaction pageLeft to rightBalancedcytosol, mitochondrial matrix
Human-GEM MAR00045CC BY 4.0Reference data
2-oxoglutarate(2-)+L-valine3-methyl-2-oxobutanoate+L-glutamate(1-)
Catalysed by BCAT2
Reaction pageLeft to rightBalancedEC 2.6.1.42mitochondrial matrix
Human-GEM MAR03744CC BY 4.0Reference data
3-methyl-2-oxobutanoate3-methyl-2-oxobutanoate
Reaction pageReversibleBalancedcytosol, mitochondrial matrix
Human-GEM MAR03746CC BY 4.0Reference data
2-oxoglutarate(2-)+L-valine3-methyl-2-oxobutanoate+L-glutamate(1-)
Catalysed by BCAT1
Reaction pageLeft to rightBalancedEC 2.6.1.42cytosol
Human-GEM MAR03747CC BY 4.0Reference data
3-methyl-2-oxobutanoate3-methyl-2-oxobutanoate
Reaction pageReversibleBalancedextracellular space, cytosol
Human-GEM MAR09000CC BY 4.0Reference data
Reaction pageReversibleBalance undeterminableextracellular space
Human-GEM MAR09011CC BY 4.0Reference data
3-methyl-2-oxobutanoate+proton+NADH(2-)NAD(+)+MAM03186c
Catalysed by LDHB or LDHA or LDHC or LDHAL6A or LDHD or LDHAL6B
Reaction pageReversibleBalancedEC 1.1.1.27cytosol
Human-GEM MAR11479CC BY 4.0Reference data
3-methyl-2-oxobutanoate+proton+thiamine(1+) diphosphatecarbon dioxide+2-methyl-1-hydroxypropylthiamine diphosphate
Reaction pageLeft to rightBalance undeterminableEC 1.2.4.4mitochondrial matrix
Human-GEM MAR20174CC BY 4.0Reference data
L-valine+NADP(3-)+water3-methyl-2-oxobutanoate+ammonium+NADPH(4-)+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:11156CC BY 4.0Reference data
(S)-3-methyl-2-oxopentanoate+L-valine3-methyl-2-oxobutanoate+L-isoleucine
Reaction pageDirection not assertedBalanced
Rhea RHEA:11468CC BY 4.0Reference data
3-methyl-2-oxobutanoate+2oxidized [2Fe-2S]-[ferredoxin]+coenzyme A(4-)2-methylpropanoyl-CoA+2reduced [2Fe-2S]-[ferredoxin]+carbon dioxide+hydron
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:11712CC BY 4.0Reference data
(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate+3-methyl-2-oxobutanoate+waterCHEBI:11561+(6S)-5,6,7,8-tetrahydrofolate
Reaction pageDirection not assertedBalanced
Rhea RHEA:11824CC BY 4.0Reference data
Where it reaches
8 systems, 15 regions, 26 tissues, 26 transporter routes — routes, not measurements: transporters known to carry 3-methyl-2-oxobutanoate are expressed there, and no source reports it arriving.
Loading the model…
Other names
6 names
Resolves to: 3-methyl-2-oxobutanoate
- Also called
- 2-Oxo-3-methylbutanoate2-Oxoisopentanoate2-Oxoisovalerate3-methyl-2-oxobutyratealpha-keto-isovalerateα-keto-isovalerate