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Unknown
2-
oxoisovalerate
dehydrogenase
subunit beta,
mitochondrial
2-
oxoisovalerate
dehydrogenase
subunit alpha,
mitochondrial
Dihydrolipoyl
dehydrogenase,
mitochondrial
Hydroxymethylglutaryl-
CoA lyase,
mitochondrial
2-
oxoisovalerate
dehydrogenase
subunit beta,
mitochondrial
2-
oxoisovalerate
dehydrogenase
subunit beta,
mitochondrial
Branched-
chain-amino-
acid
aminotransferase,
cytosolic
Branched-
chain-amino-
acid
aminotransferase,
cytosolic
Branched-
chain-amino-
acid
aminotransferase,
cytosolic
2-
oxoisovalerate
dehydrogenase
Lipoamide
acyltransferase
component of
branched-chain
alpha-keto acid
dehydrogenase
complex,
mitochondrial
Isovaleryl-CoA
dehydrogenase,
mitochondrial
Medium-chain
specific
acyl-CoA
dehydrogenase,
mitochondrial
Enoyl-CoA
hydratase,
mitochondrial
Methylcrotonoyl-
CoA carboxylase
subunit alpha,
mitochondrial
Methylcrotonoyl-
CoA carboxylase
beta chain,
mitochondrial
Dihydrolipoyl
dehydrogenase,
mitochondrial
Lipoamide
acyltransferase
component of
branched-chain
alpha-keto acid
dehydrogenase
complex,
mitochondrial
2-
oxoisovalerate
dehydrogenase
2-
oxoisovalerate
dehydrogenase
Lipoamide
acyltransferase
component of
branched-chain
alpha-keto acid
dehydrogenase
complex,
mitochondrial
Short-chain
specific
acyl-CoA
dehydrogenase,
mitochondrial
Short/branched
chain specific
acyl-CoA
dehydrogenase,
mitochondrial
Isobutyryl-CoA
dehydrogenase,
mitochondrial
Medium-chain
specific
acyl-CoA
dehydrogenase,
mitochondrial
Enoyl-CoA
hydratase,
mitochondrial
3-
hydroxyisobutyryl-
CoA hydrolase,
mitochondrial
3-
hydroxyisobutyrate
dehydrogenase,
mitochondrial
Enoyl-CoA
hydratase,
mitochondrial
4-aminobutyrate
aminotransferase,
mitochondrial
Medium-chain
specific
acyl-CoA
dehydrogenase,
mitochondrial
Short-chain
specific
acyl-CoA
dehydrogenase,
mitochondrial
Short/branched
chain specific
acyl-CoA
dehydrogenase,
mitochondrial
Enoyl-CoA
hydratase,
mitochondrial
3- hydroxyacyl-
CoA
dehydrogenase
type-2
3-ketoacyl-CoA
thiolase,
mitochondrial
Methylmalonate-
semialdehyde
dehydrogenase
[acylating],
mitochondrial
Propionyl-CoA
carboxylase
alpha chain,
mitochondrial
Propionyl-CoA
carboxylase
beta chain,
mitochondrial
Methylmalonyl-
CoA epimerase,
mitochondrial
Methylmalonyl-
CoA mutase,
mitochondrial
Aldehyde
oxidase
Aldehyde
dehydrogenase,
mitochondrial
Methylglutaconyl-
CoA hydratase,
mitochondrial
Hydroxymethylglutaryl-
CoA synthase,
mitochondrial
Acetyl-CoA
acetyltransferase,
mitochondrial
Succinyl-
CoA:3- ketoacid
coenzyme A
transferase 1,
mitochondrial
2-
oxoisovalerate
dehydrogenase
subunit alpha,
mitochondrial
2-
oxoisovalerate
dehydrogenase
subunit alpha,
mitochondrial
(S)-beta-Aminoisobutyric acid
Acetyl-CoA
Propionyl-CoA
Acetyl-CoA
Succinyl-CoA
Isovaleryl-CoA
Isovaleryl-CoA
3-Methyl-1-hydroxybutyl-ThPP
Lipoamide
S-(3-Methylbutanoyl)-dihydrolipoamide-E
Dihydrolipoamide
NAD
NADH
H
+
3-Hydroxy-3-methylglutaryl-CoA
Acetoacetic acid
2-Methyl-1-hydroxypropyl-ThPP
S-(2-Methylpropionyl)-dihydrolipoamide-E
Lipoamide
2-Methyl-1-hydroxypropyl-ThPP
S-(2-Methylbutanoyl)-dihydrolipoamide
Thiamine pyrophosphate
L-Valine
Oxoglutaric acid
α-Ketoisovaleric acid
L-Glutamic acid
L-Leucine
Oxoglutaric acid
Ketoleucine
L-Glutamic acid
L-Isoleucine
Oxoglutaric acid
3-Methyl-2-oxovaleric acid
L-Glutamic acid
Thiamine pyrophosphate
CO
2
CoA
3-Methylcrotonyl-CoA
3-Hydroxyisovaleryl-CoA
H
2
O
ATP
HCO
3
-
3-Methylglutaconyl-CoA
ADP
Dihydrolipoamide
NAD
NADH
H
+
CoA
Isobutyryl-CoA
CO
2
CO
2
CoA
2-Methylbutyryl-CoA
Methacrylyl-CoA
H
2
O
(S)-3-Hydroxyisobutyryl-CoA
H
2
O
(S)-3-Hydroxyisobutyric acid
CoA
NAD
(S)-Methylmalonic acid semialdehyde
NADH
H
+
Oxoglutaric acid
L-Glutamic acid
Tiglyl-CoA
H
2
O
2-Methyl-3-hydroxybutyryl-CoA
NAD
2-Methylacetoacetyl-CoA
NADH
CoA
H
2
O
NAD
CoA
NADH
HCO
3
-
ATP
HCO
3
-
S-Methylmalonyl-CoA
ADP
P
i
R-Methylmalonyl-CoA
H
2
O
O
2
Methylmalonic acid
H
2
O
2
NAD
H
2
O
NADH
H
2
O
Acetoacetyl-CoA
H
2
O
CoA
CoA
Succinyl-CoA
Succinic acid
Pyridoxal
Pyridoxal
FAD
FAD
FAD
FAD
FAD
Biotin
Adenosylcobalamin
FAD
Molybdopterin
2Fe-2S
electron-
transfer
flavoprotein
Reduced
electron-
transfer
flavoprotein
electron-
transfer
flavoprotein
Reduced
electron-
transfer
flavoprotein
electron-
transfer
flavoprotein
Reduced
electron-
transfer
flavoprotein
Unknown
Pyrimidine
Metabolism
Citric Acid
Cycle
Propanoate
Metabolism
Citric Acid
Cycle
Citric Acid
Cycle
Thiamine
pyrophosphate
Thiamine
pyrophosphate
FAD
Thiamine
pyrophosphate
Pyridoxal
Pyridoxal
5'-phosphate
Lipoyl-GMP
FAD
FAD
Biotin
FAD
Lipoyl-GMP
Pyridoxal
5'-phosphate
Pyridoxal
5'-phosphate
Lipoyl-GMP
FAD
FAD
Pyridoxal
5'-phosphate
Mitochondria
Cytosol
Platelet
Pancreas
Brain
Symptoms include
encephalopathy, ketosis,
metabolic acidosis,
pancreatitis, sweaty feet
odor, and thrombocytopenia.
Mitochondria
Unknown
BCKDHB
BCKDHA
DLD
HMGCL
BCKDHB
BCKDHB
BCAT1
BCAT1
BCAT1
BCKDHA
BCKDHB
DBT
IVD
ACADM
ECHS1
MCCC1
MCCC2
DLD
DBT
BCKDHA
BCKDHB
BCKDHA
BCKDHB
DBT
ACADS
ACADSB
ACAD8
ACADM
ECHS1
HIBCH
HIBADH
ECHS1
ABAT
ACADM
ACADS
ACADSB
ECHS1
HSD17B10
ACAA2
ALDH6A1
PCCA
PCCB
MCEE
MUT
AOX1
ALDH2
AUH
HMGCS2
ACAT1
OXCT1
BCKDHA
BCKDHA
(S)-beta-
Aminoisobutyric
acid
Acetyl-CoA
Propionyl-CoA
Acetyl-CoA
Succinyl-CoA
Isovaleryl-CoA
Isovaleryl-CoA
3-Methyl-1-
hydroxybutyl-
ThPP
Lipoamide
S-(3-
Methylbutanoyl)-
dihydrolipoamide-
E
Dihydrolipoamide
NAD
NADH
Hydrogen Ion
3-Hydroxy-3-
methylglutaryl-
CoA
Acetoacetic
acid
2-Methyl-1-
hydroxypropyl-
ThPP
S-(2-
Methylpropionyl)-
dihydrolipoamide-
E
Lipoamide
2-Methyl-1-
hydroxypropyl-
ThPP
S-(2-
Methylbutanoyl)-
dihydrolipoamide
Thiamine
pyrophosphate
L-Valine
Oxoglutaric
acid
α-
Ketoisovaleric
acid
L-Glutamic acid
L-Leucine
Oxoglutaric
acid
Ketoleucine
L-Glutamic acid
L-Isoleucine
Oxoglutaric
acid
3-Methyl-2-
oxovaleric acid
L-Glutamic acid
Thiamine
pyrophosphate
Carbon dioxide
Coenzyme A
3-
Methylcrotonyl-
CoA
3-
Hydroxyisovaleryl-
CoA
Water
Adenosine
triphosphate
Hydrogen
carbonate
3-
Methylglutaconyl-
CoA
Adenosine
diphosphate
Dihydrolipoamide
NAD
NADH
Hydrogen Ion
Coenzyme A
Isobutyryl-CoA
Carbon dioxide
Carbon dioxide
Coenzyme A
2-
Methylbutyryl-
CoA
Methacrylyl-CoA
Water
(S)-3-
Hydroxyisobutyryl-
CoA
Water
(S)-3-
Hydroxyisobutyric
acid
Coenzyme A
NAD
(S)-
Methylmalonic
acid
semialdehyde
NADH
Hydrogen Ion
Oxoglutaric
acid
L-Glutamic acid
Tiglyl-CoA
Water
2-Methyl-3-
hydroxybutyryl-
CoA
NAD
2-
Methylacetoacetyl-
CoA
NADH
Coenzyme A
Water
NAD
Coenzyme A
NADH
Hydrogen
carbonate
Adenosine
triphosphate
Hydrogen
carbonate
S-
Methylmalonyl-
CoA
Adenosine
diphosphate
Phosphate
R-
Methylmalonyl-
CoA
Water
Oxygen
Methylmalonic
acid
Hydrogen
peroxide
NAD
Water
NADH
Water
Acetoacetyl-CoA
Water
Coenzyme A
Coenzyme A
Succinyl-CoA
Succinic acid
electron-
transfer
flavoprotein
Reduced
electron-
transfer
flavoprotein
electron-
transfer
flavoprotein
Reduced
electron-
transfer
flavoprotein
electron-
transfer
flavoprotein
Reduced
electron-
transfer
flavoprotein
Unknown
Pyrimidine
Metabolism
Citric Acid
Cycle
Propanoate
Metabolism
Citric Acid
Cycle
Citric Acid
Cycle
BCKDHB
BCKDHA
DLD
HMGCL
BCKDHB
BCKDHB
BCAT1
BCAT1
BCAT1
BCKDHA
BCKDHB
DBT
IVD
ACADM
ECHS1
MCCC1
MCCC2
DLD
DBT
BCKDHA
BCKDHB
BCKDHA
BCKDHB
DBT
ACADS
ACADSB
ACAD8
ACADM
ECHS1
HIBCH
HIBADH
ECHS1
ABAT
ACADM
ACADS
ACADSB
ECHS1
HSD17B10
ACAA2
ALDH6A1
PCCA
PCCB
MCEE
MUT
AOX1
ALDH2
AUH
HMGCS2
ACAT1
OXCT1
BCKDHA
BCKDHA
L2MBA
Ac-CoA
PropCoA
Ac-CoA
Suc-CoA
IsovCoA
IsovCoA
3MhThPP
Lipoamd
S3MdipE
DHLipoa
NAD
NADH
H
+
HMG-CoA
LIN
2M1ThPP
S2MDE
Lipoamd
2M1ThPP
S2MD
ThiamPP
Val
AKG
Ketoval
Glu
Leu
AKG
Ketoleu
Glu
Ile
AKG
3M2Oxva
Glu
ThiamPP
CO
2
CoA
3McroCA
HIV-CoA
H
2
O
ATP
HCO
3
-
3MCoA
ADP
DHLipoa
NAD
NADH
H
+
CoA
IsoBCoA
CO
2
CO
2
CoA
2IbuCoA
McryCoA
H
2
O
3HIsoCA
H
2
O
3-HIBA
CoA
NAD
22M3O
NADH
H
+
AKG
Glu
Tig-CoA
H
2
O
2M3HC
NAD
2Ma-CoA
NADH
CoA
H
2
O
NAD
CoA
NADH
HCO
3
-
ATP
HCO
3
-
S-MmCoA
ADP
P
i
R-MmCoA
H
2
O
O
2
Isosca
H
2
O
2
NAD
H
2
O
NADH
H
2
O
ActaCoA
H
2
O
CoA
CoA
Suc-CoA
Succini
Pyridox
Pyridox
FAD
FAD
FAD
FAD
FAD
Biotin
Adnscbn
FAD
mlyBdpn
2Fe2S
ETF
RETF
ETF
RETF
ETF
RETF
PW000160
PW000005
PW000149
PW000005
PW000005
ThiamPP
ThiamPP
FAD
ThiamPP
Pyridox
Pyr-5'P
L-GMP
FAD
FAD
Biotin
FAD
L-GMP
Pyr-5'P
Pyr-5'P
L-GMP
FAD
FAD
Pyr-5'P
Mitochondria
Cytosol
Platelet
Pancreas
Brain
Symptoms include
encephalopathy, ketosis,
metabolic acidosis,
pancreatitis, sweaty feet
odor, and thrombocytopenia.