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Your translated search: 2-oxobutyrate = 146 reactions were found.
State Icon Reaction EC-Number Conf. maximal confidence score from EnzymeDetector PW
L-threonine <=> 2-oxobutyrate + NH3 4.2.3.1 threonine synthase
4.3.1.17 L-serine ammonia-lyase
4.3.1.19 threonine ammonia-lyase



BMK
L-cystathionine + H2O <=> L-cysteine + 2-oxobutyrate + NH3 2.5.1.48 cystathionine gamma-synthase
4.4.1.1 cystathionine gamma-lyase


BMK
L-methionine + H2O <=> methanethiol + 2-oxobutyrate + NH3 4.4.1.11 methionine gamma-lyase

BMK
H2O + L-homocysteine <=> Sulfide + 2-oxobutyrate + NH3 4.4.1.1 cystathionine gamma-lyase
4.4.1.11 methionine gamma-lyase
4.4.1.2 homocysteine desulfhydrase



MK
2-oxobutyrate + H2O + acetyl-CoA <=> (2R)-ethylmalate + CoA + H+ 2.3.3.13 2-isopropylmalate synthase
2.3.3.6 2-ethylmalate synthase


K
H2O + 1-aminocyclopropane-1-carboxylate <=> NH3 + 2-oxobutyrate 3.5.99.7 1-aminocyclopropane-1-carboxylate deaminase

K
2-iminobutanoate + H2O + H+ <=> 2-oxobutyrate + NH3 3.5.99.10 2-iminobutanoate/2-iminopropanoate deaminase
3.5.99.7 1-aminocyclopropane-1-carboxylate deaminase
4.3.1.19 threonine ammonia-lyase
4.4.1.1 cystathionine gamma-lyase
4.4.1.2 homocysteine desulfhydrase





M
L-homoserine <=> 2-oxobutyrate + NH3 4.3.1.19 threonine ammonia-lyase
4.4.1.1 cystathionine gamma-lyase
4.4.1.11 methionine gamma-lyase



2-oxobutyrate + oxidized_ferredoxin + CoA <=> propionyl-CoA + reduced_ferredoxin_[iron-sulfur]_cluster + CO2 + H+ 1.2.7.1 pyruvate synthase
1.2.7.11 2-oxoacid oxidoreductase (ferredoxin)
1.2.7.7 3-methyl-2-oxobutanoate dehydrogenase (ferredoxin)



MK
L-2-aminobutanoate + 2-oxoglutarate <=> L-glutamate + 2-oxobutyrate 2.6.1
2.6.1.2 alanine transaminase
2.6.1.42 branched-chain-amino-acid transaminase



MK
O-succinyl-L-homoserine + H2O <=> 2-oxobutyrate + succinate + NH3 + H+ 2.5.1.48 cystathionine gamma-synthase
4.3.1
4.4.1.13 cysteine-S-conjugate beta-lyase



K
H+ + pyruvate + 2-oxobutyrate <=> (S)-2-hydroxy-2-ethyl-3-oxobutanoate + CO2 2.2.1.6 acetolactate synthase

MK
2-oxobutyrate + CoA + NAD+ <=> propionyl-CoA + CO2 + NADH 1.2.1.25 2-oxoisovalerate dehydrogenase (acylating)
1.2.4.1 pyruvate dehydrogenase (acetyl-transferring)


M
D-2-hydroxybutyrate + NADP+ <=> 2-oxobutyrate + NADPH + H+ 1.1.1.272 D-2-hydroxyacid dehydrogenase (NADP+)
1.1.1.28 D-lactate dehydrogenase


H+ + 3-methyloxaloacetate <=> 2-oxobutyrate + CO2 4.1.1.112 oxaloacetate decarboxylase

BMK
2-oxobutyrate + NADH + H+ <=> DL-2-hydroxybutyrate + NAD+ 1.1.1.1 alcohol dehydrogenase
1.1.1.110 aromatic 2-oxoacid reductase
1.1.1.27 L-lactate dehydrogenase
1.1.1.272 D-2-hydroxyacid dehydrogenase (NADP+)
1.1.1.28 D-lactate dehydrogenase
1.1.1.337 L-2-hydroxycarboxylate dehydrogenase (NAD+)
1.1.1.345 D-2-hydroxyacid dehydrogenase (NAD+)
1.1.1.37 malate dehydrogenase
1.1.99.2 L-2-hydroxyglutarate dehydrogenase









K
2-oxobutyrate + CoA <=> propionyl-CoA + formate 2.3.1
2.3.1.54 formate C-acetyltransferase


MK
pyruvate + L-2-aminobutanoate <=> L-alanine + 2-oxobutyrate 2.6.1.12 alanine---oxo-acid transaminase
2.6.1.40 (R)-3-amino-2-methylpropionate---pyruvate transaminase
2.6.1.42 branched-chain-amino-acid transaminase
2.6.1.44 alanine---glyoxylate transaminase




K
seleno-L-methionine + H2O <=> methylselenol + NH3 + 2-oxobutyrate 4.4.1.1 cystathionine gamma-lyase
4.4.1.11 methionine gamma-lyase
4.4.1.13 cysteine-S-conjugate beta-lyase



K
D-erythro-3-Methylmalate + NAD+ <=> 2-oxobutyrate + CO2 + NADH 1.1.1
1.1.1.85 3-isopropylmalate dehydrogenase


MK
L-2-aminobutanoate + H2O + NAD+ <=> 2-oxobutyrate + NH3 + NADH 1.4.1.1 alanine dehydrogenase
1.4.1.2 glutamate dehydrogenase
1.4.1.20 phenylalanine dehydrogenase
1.4.1.23 valine dehydrogenase (NAD+)
1.4.1.8 valine dehydrogenase (NADP+)
1.4.1.9 leucine dehydrogenase






DL-2-hydroxybutyrate + O2 <=> 2-oxobutyrate + H2O2 1.1.3.15 (S)-2-hydroxy-acid oxidase
1.1.3.2 L-lactate oxidase


2-aminobutanoate + H2O + O2 <=> 2-oxobutyrate + NH3 + H2O2 1.4.3.2 L-amino-acid oxidase

L-alanine + 2-oxobutyrate <=> pyruvate + 2-aminobutanoate 2.6.1.12 alanine---oxo-acid transaminase
2.6.1.2 alanine transaminase
2.6.1.44 alanine---glyoxylate transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase




D-alanine + 2-oxobutyrate <=> pyruvate + 2-aminobutanoate 2.6.1.21 D-amino-acid transaminase

S-methyl-L-methionine <=> 2-oxobutyrate + NH3 + Dimethylsulfide 4.4.1.14 1-aminocyclopropane-1-carboxylate synthase

2-oxobutyrate <=> propionaldehyde + CO2 4.1.1.1 pyruvate decarboxylase
4.1.1.7 benzoylformate decarboxylase
4.1.1.72 branched-chain-2-oxoacid decarboxylase



2-oxobutyrate + NADH <=> D-2-hydroxybutyrate + NAD+ 1.1.1.272 D-2-hydroxyacid dehydrogenase (NADP+)
1.1.1.28 D-lactate dehydrogenase
1.1.1.345 D-2-hydroxyacid dehydrogenase (NAD+)



pyridoxamine + 2-oxobutyrate <=> pyridoxal + L-2-aminobutanoate 2.6.1.30 pyridoxamine---pyruvate transaminase

2-oxobutyrate + phosphate + O2 <=> propanoyl_phosphate + CO2 + H2O2 1.2.3

K
2-oxobutyrate + 2-hydroxyethyl-ThPP <=> (S)-2-hydroxy-2-ethyl-3-oxobutanoate + thiamine_diphosphate 2.2.1.6 acetolactate synthase

L-selenocystathionine + H2O <=> L-selenocysteine + NH3 + 2-oxobutyrate 4.4.1.1 cystathionine gamma-lyase

glycolaldehyde + 2-oxobutyrate + L-alanine <=> pyridoxine not assigned

K
2-aminobut-2-enoate + H2O <=> 2-oxobutyrate + NH3 not assigned

2-oxobutyrate + thiamine_diphosphate <=> 2-(alpha-Hydroxypropyl)thiamine_diphosphate + CO2 1.2.4.4 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring)

K
2-oxobutyrate + H+ + e- <=> (S)-2-hydroxybutyrate not assigned

2-oxobutyrate <=> 5-hydroxy-2-oxopentanoate not assigned

M
aminated_amino_group_donor + 2-oxobutyrate <=> L-2-aminobutanoate + deaminated_amino_group_donor 2.6.1

electron-transfer_quinone + (S)-2-hydroxybutyrate <=> electron-transfer_quinol + 2-oxobutyrate not assigned

2-oxobutyrate <=> 2-oxobutyrate not assigned

1,2-dihydroxy-3-oxopent-1-ene + O2 <=> 2-oxobutyrate + formate 1.13.11.54 acireductone dioxygenase [iron(II)-requiring]

L-tryptophan + 2-oxobutyrate <=> 3-Indole-2-oxopropanoate + 2-aminobutanoate 2.6.1.28 tryptophan---phenylpyruvate transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase


L-lysine + 2-oxobutyrate <=> 2-aminoadipate_6-semialdehyde + 2-aminobutanoate 2.6.1.36 L-lysine 6-transaminase

D-2-aminobutyrate + H2O + O2 <=> 2-oxobutyrate + NH3 + H2O2 1.4.3.3 D-amino-acid oxidase

D-isoleucine + H2O + 2,6-dichlorophenolindophenol <=> 2-oxobutyrate + NH3 + reduced_2,6-dichlorophenolindophenol 1.4.99.6 D-arginine dehydrogenase

L-ethionine + H2O <=> ethanethiol + NH3 + 2-oxobutyrate 4.4.1.11 methionine gamma-lyase

D-threonine <=> 2-oxobutyrate + NH3 4.3.1.18 D-serine ammonia-lyase
4.3.1.9 glucosaminate ammonia-lyase


O-acetyl-DL-homoserine + H2O <=> NH3 + 2-oxobutyrate + acetate 4.4.1.11 methionine gamma-lyase

D-allocystathionine + H2O <=> L-cysteine + NH3 + 2-oxobutyrate 4.4.1.1 cystathionine gamma-lyase

DL-cystathionine + H2O <=> L-cysteine + NH3 + 2-oxobutyrate 4.4.1.1 cystathionine gamma-lyase

L-Vinylglycine <=> 2-oxobutyrate + NH3 2.6.1.7 kynurenine---oxoglutarate transaminase
4.2.1.20 tryptophan synthase
4.4.1.14 1-aminocyclopropane-1-carboxylate synthase



2-oxobutyrate + ferricyanide + H2O <=> glycolate + CO2 + ferrocyanide 1.2.4.1 pyruvate dehydrogenase (acetyl-transferring)

2-oxobutyrate + CoA + 2 Oxidized_benzyl_viologen <=> propionyl-CoA + CO2 + 2 reduced_benzyl_viologen 1.2.7.1 pyruvate synthase

2-oxobutyrate + CoA + 2 methyl_viologen <=> propionyl-CoA + CO2 + 2 reduced_methyl_viologen 1.2.7.1 pyruvate synthase
1.2.7.11 2-oxoacid oxidoreductase (ferredoxin)


2-oxobutyrate + CoA + 2 Oxidized_benzyl_viologen <=> propionyl-CoA + CO2 + 2 Oxidized_benzyl_viologen 1.2.7.1 pyruvate synthase

2-oxobutyrate + CoA + 2 oxidized_cytochrome_c <=> propionyl-CoA + CO2 + 2 ferricytochrome_c + 2 H+ 1.2.7.11 2-oxoacid oxidoreductase (ferredoxin)

(S)-2-hydroxybutyrate + O2 <=> 2-oxobutyrate + H2O2 1.1.3.2 L-lactate oxidase

D-2-aminobutyrate + H2O + O2 <=> 2-oxobutyrate + H2O2 1.4.3.19 glycine oxidase

L-allo-threonine <=> 2-oxobutyrate + NH3 4.2.3.1 threonine synthase
4.3.1.17 L-serine ammonia-lyase


L-leucine + 2-oxobutyrate <=> 4-methyl-2-oxopentanoate + L-valine 2.6.1.42 branched-chain-amino-acid transaminase

1-amino-2-ethylcyclopropane-1-carboxylate + H2O <=> 2-oxobutyrate + NH3 3.5.99.7 1-aminocyclopropane-1-carboxylate deaminase

DL-2-hydroxybutyrate + 2,6-dichlorophenolindophenol <=> 2-oxobutyrate + reduced_2,6-dichlorophenolindophenol 1.1.3.15 (S)-2-hydroxy-acid oxidase
1.1.5.12 D-lactate dehydrogenase (quinone)


2-oxosuccinamic_acid + L-2-aminobutanoate <=> L-asparagine + 2-oxobutyrate 2.6.1.14 asparagine---oxo-acid transaminase

L-asparagine + 2-oxobutyrate <=> 2-oxosuccinamic_acid + 2-aminobutanoate 2.6.1.14 asparagine---oxo-acid transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase


(S)-2-hydroxybutyrate + ferricytochrome_c <=> 2-oxobutyrate + ferricytochrome_c 1.1.2.3 L-lactate dehydrogenase (cytochrome)

DL-2-hydroxybutyrate + ferricytochrome_c <=> 2-oxobutyrate + ferricytochrome_c 1.1.2.4 D-lactate dehydrogenase (cytochrome)

2-oxobutyrate + acetyl-CoA + H2O <=> 2-ethyl-2-hydroxysuccinic_acid + CoA 2.3.3.13 2-isopropylmalate synthase

trifluoromethionine + H2O <=> trifluoromethanethiol + NH3 + 2-oxobutyrate 4.4.1.11 methionine gamma-lyase

pyruvate + 2-oxobutyrate <=> 2-aceto-2-hydroxybutyrate + CO2 2.2.1.6 acetolactate synthase

B
2-oxobutyrate + pyruvate <=> 2-hydroxy-2-methyl-3-oxopentanoate + CO2 2.2.1.6 acetolactate synthase

D-2-aminobutyrate + pyruvate <=> 2-oxobutyrate + D-alanine 2.6.1.21 D-amino-acid transaminase

L-histidine + 2-oxobutyrate <=> 3-(1H-imidazol-4-yl)-2-oxopropanoate + 2-aminobutanoate 2.6.1.38 histidine transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase


L-Vinylglycine + 2-oxobutyrate <=> 2-aminobutanoate + 2-Hydroxy-3-butenoate 2.6.1.7 kynurenine---oxoglutarate transaminase

DL-2-hydroxybutyrate + a_quinone <=> 2-oxobutyrate + a_quinol 1.1.5.12 D-lactate dehydrogenase (quinone)

L-kynurenine + 2-oxobutyrate <=> Kynurenic_acid + 2-aminobutanoate + H2O 2.6.1.7 kynurenine---oxoglutarate transaminase

L-kynurenine + 2-oxobutyrate <=> 4-(2-aminophenyl)-2,4-dioxobutanoate + 2-aminobutanoate 2.6.1.7 kynurenine---oxoglutarate transaminase

3-Formyl-benzonitrile + 2-oxobutyrate <=> 3-[(1R)-1-hydroxy-2-oxobutyl]benzonitrile 4.1.1.72 branched-chain-2-oxoacid decarboxylase

beta-Alanine + 2-oxobutyrate <=> malonate_semialdehyde + 2-aminobutanoate 2.6.1.18 beta-alanine---pyruvate transaminase

2-oxobutyrate + benzylamine <=> L-2-aminobutanoate + benzaldehyde 2.6.1.18 beta-alanine---pyruvate transaminase

2-oxobutyrate + [dihydrolipoyllysine-residue(2-methylpropanoyl)transferase]-lipoyllysine <=> [dihydrolipoyllysine-residue_(2-methylpropanoyl)transferase]_S-(propanoyl)dihydrolipoyllysine + CO2 1.2.4.4 3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring)

taurine + 2-oxobutyrate <=> 2-sulfoacetaldehyde + 2-aminobutanoate 2.6.1.77 taurine---pyruvate aminotransferase

(R)-3-Amino-2-methylpropanoate + 2-oxobutyrate <=> 2-Methyl-3-oxopropanoate + 2-aminobutanoate 2.6.1.40 (R)-3-amino-2-methylpropionate---pyruvate transaminase

2-oxobutyrate + Lipoamide <=> S-propionyldihydrolipoamide + CO2 1.2.4.1 pyruvate dehydrogenase (acetyl-transferring)

2-oxobutyrate + oxidized_2,6-dichlorophenolindophenol <=> propionaldehyde + CO2 + reduced_2,6-dichlorophenolindophenol 1.2.4.1 pyruvate dehydrogenase (acetyl-transferring)

2-aminocaprylate + 2-oxobutyrate <=> 2-oxooctanoate + L-2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase

2-oxobutyrate <=> 2-propionyl-2-hydroxybutanoate + CO2 2.2.1.6 acetolactate synthase

D-glutamate + 2-oxobutyrate <=> 2-oxoglutarate + 2-aminobutanoate 2.6.1.21 D-amino-acid transaminase

Glutarate + 2-oxobutyrate <=> 2-oxoglutarate + 2-aminobutanoate 2.6.1.9 histidinol-phosphate transaminase

L-tyrosine + 2-oxobutyrate <=> 4-hydroxyphenylpyruvate + 2-aminobutanoate 2.6.1.7 kynurenine---oxoglutarate transaminase

pyruvate + 2-oxobutyrate <=> 2-aceto-2-hydroxybutyrate 2.2.1.6 acetolactate synthase

3-methylmalate + NAD+ <=> 2-oxobutyrate + NADH + CO2 1.1.1.85 3-isopropylmalate dehydrogenase

2-oxobutyrate + NADH <=> Isovalerate + NAD+ 1.1.1.26 glyoxylate reductase

L-arginine + 2-oxobutyrate + NADH <=> N2-(D-2-Carboxypropyl)-L-Arg + NAD+ + H2O 1.5.1.11 D-octopine dehydrogenase

glycine + 2-oxobutyrate + NADH + H+ <=> 2-[(carboxymethyl)amino]butanoic_acid + NAD+ + H2O 1.5.1.22 strombine dehydrogenase

L-alanine + 2-oxobutyrate + NADH + H+ <=> 2-[[(1S)-1-carboxyethyl]amino]butanoic_acid + NAD+ + H2O 1.5.1.22 strombine dehydrogenase

2-oxobutyrate + phosphorylated_histidine-containing_protein <=> phosphoenolbutyrate + histidine-containing_protein 2.7.3.9 phosphoenolpyruvate---protein phosphotransferase

L-2-aminobutanoate + 4-methyl-2-oxopentanoate <=> 2-oxobutyrate + L-leucine 2.6.1.42 branched-chain-amino-acid transaminase

L-leucine + 2-oxobutyrate <=> 4-methyl-2-oxopentanoate + 2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase


L-isoleucine + 2-oxobutyrate <=> 4-methyl-2-oxopentanoate + 2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase

(R)-2-hydroxyisocaproate + 2-oxobutyrate <=> 4-methyl-2-oxopentanoate + D-2-hydroxybutyrate 1.1.99.30 2-oxo-acid reductase

2-oxobutyrate + CoA + NADP+ <=> propionyl-CoA + CO2 + NADPH 1.2.1.51 pyruvate dehydrogenase (NADP+)

2-oxobutyrate + NADPH + NH3 <=> L-2-aminobutanoate + NADP+ + H2O 1.4.1.4 glutamate dehydrogenase (NADP+)

2-aminobutanoate + H2O + NADP+ <=> 2-oxobutyrate + NH3 + NADPH 1.4.1.3 glutamate dehydrogenase [NAD(P)+]

2-oxobutyrate + NADPH + H+ <=> DL-2-hydroxybutyrate + NADP+ 1.1.1.110 aromatic 2-oxoacid reductase
1.1.1.184 carbonyl reductase (NADPH)


L-arginine + 2-oxobutyrate + NADPH <=> N2-(D-2-Carboxypropyl)-L-Arg + NADP+ + H2O 1.5.1.11 D-octopine dehydrogenase

methylamine + 2-oxobutyrate + NADPH <=> L-glutamate + H2O + NADP+ 1.4.1.17 N-methylalanine dehydrogenase

2-oxobutyrate + methylamine + NADPH <=> N-methyl-2-aminobutanoate + NADP+ + H2O 1.5.1.21 1-piperideine-2-carboxylate/1-pyrroline-2-carboxylate reductase (NADPH)

L-2-aminobutanoate + 2-oxoisovalerate <=> 2-oxobutyrate + L-valine 2.6.1.42 branched-chain-amino-acid transaminase

L-valine + 2-oxobutyrate <=> 2-oxoisovalerate + 2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase

L-threonine_O-sulfate <=> 2-oxobutyrate + NH3 + sulfate 4.3.1.10 serine-sulfate ammonia-lyase

(2R,3S)-2-ethyl-3-methylmalate <=> 2-oxobutyrate + propionate 4.1.3.1 isocitrate lyase

DL-2-hydroxybutyrate + acceptor <=> 2-oxobutyrate + reduced_acceptor 1.1.99.31 (S)-mandelate dehydrogenase

D-2-hydroxybutyrate + acceptor <=> 2-oxobutyrate + reduced_acceptor 1.1.99.6 D-lactate dehydrogenase (acceptor)

O-acetyl-L-homoserine + H2O <=> 2-oxobutyrate + NH3 + acetate 4.4.1.11 methionine gamma-lyase

D-2-hydroxybutyrate + oxidized_2,6-dichlorophenolindophenol <=> 2-oxobutyrate + reduced_2,6-dichlorophenolindophenol 1.1.99.6 D-lactate dehydrogenase (acceptor)

D-isoleucine + oxidized_2,6-dichlorophenolindophenol + H2O <=> 2-oxobutyrate + NH3 + reduced_2,6-dichlorophenolindophenol 1.5.99.13 D-proline dehydrogenase

D-2-aminobutyrate + oxidized_2,6-dichlorophenolindophenol + H2O <=> 2-oxobutyrate + NH3 + reduced_2,6-dichlorophenolindophenol 1.4.5.1 D-amino acid dehydrogenase (quinone)

1-phenylethanamine + 2-oxobutyrate <=> acetophenone + L-2-aminobutanoate 2.6.1.18 beta-alanine---pyruvate transaminase

1-phenylethanamine + 2-oxobutyrate <=> acetophenone + D-2-aminobutyrate 2.6.1.18 beta-alanine---pyruvate transaminase

selenoethionine + H2O <=> ethylselenol + NH3 + 2-oxobutyrate 4.4.1.11 methionine gamma-lyase

D-2-hydroxybutyrate + cytochrome_c <=> 2-oxobutyrate + ferricytochrome_c 1.1.2.4 D-lactate dehydrogenase (cytochrome)

DL-2-hydroxybutyrate + ferricytochrome_b5 <=> 2-oxobutyrate + ferricytochrome_b5 1.1.2.5 D-lactate dehydrogenase (cytochrome c-553)

(2R)-ethylmalate <=> acetate + 2-oxobutyrate 4.1.3.1 isocitrate lyase

L-2-aminobutanoate + 4-methylsulfanyl-2-oxobutanoate <=> 2-oxobutyrate + L-methionine 2.6.1.42 branched-chain-amino-acid transaminase

L-methionine + 2-oxobutyrate <=> 4-methylsulfanyl-2-oxobutanoate + 2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase


L-methionine + H2O <=> methanethiol + dimethyl_disulfide + dimethyl_trisulfide + 2-oxobutyrate 4.4.1.13 cysteine-S-conjugate beta-lyase

2-oxo-3-methyl-4-hydroxypentanoate <=> 2-oxobutyrate + acetaldehyde 4.1.2.52 4-hydroxy-2-oxoheptanedioate aldolase

L-cysteine + 2-oxobutyrate <=> 2-aminobutanoate + 3-Mercaptopyruvate 2.6.1.7 kynurenine---oxoglutarate transaminase

L-isoleucine + 2-oxobutyrate <=> 3-methyl-2-oxopentanoate + 2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase

L-allo-isoleucine + 2-oxobutyrate <=> 3-methyl-2-oxopentanoate + 2-aminobutanoate 2.6.1.42 branched-chain-amino-acid transaminase

L-serine + 2-oxobutyrate <=> Hydroxypyruvate + 2-aminobutanoate 2.6.1.7 kynurenine---oxoglutarate transaminase

2-oxobutyrate + putrescine <=> L-aspartate + 4-Aminobutyraldehyde 2.6.1.82 putrescine---2-oxoglutarate transaminase

L-aspartate + 2-oxobutyrate <=> oxaloacetate + 2-aminobutanoate 2.6.1.1 aspartate transaminase

L-2-aminobutanoate + glyoxylate <=> 2-oxobutyrate + glycine 2.6.1.44 alanine---glyoxylate transaminase

2-aminobutanoate + glyoxylate <=> 2-oxobutyrate + glycine 2.6.1.51 serine---pyruvate transaminase

L-isoleucine + glyoxylate <=> 2-oxobutyrate + glycine 2.6.1.44 alanine---glyoxylate transaminase

L-glutamine + 2-oxobutyrate <=> 2-oxoglutarate + 2-aminobutanoate 2.6.1.7 kynurenine---oxoglutarate transaminase

L-glutamine + 2-oxobutyrate <=> 2-Oxoglutaramate + 2-aminobutanoate 2.6.1.50 glutamine---scyllo-inositol transaminase
2.6.1.64 glutamine---phenylpyruvate transaminase


pyruvate + 2-aminoisobutanoate <=> L-alanine + 2-oxobutyrate 2.6.1.18 beta-alanine---pyruvate transaminase

L-2-aminobutanoate + phenylpyruvate <=> 2-oxobutyrate + L-phenylalanine 2.6.1.42 branched-chain-amino-acid transaminase

L-phenylalanine + 2-oxobutyrate <=> phenylpyruvate + 2-aminobutanoate 2.6.1.28 tryptophan---phenylpyruvate transaminase
2.6.1.64 glutamine---phenylpyruvate transaminase
2.6.1.7 kynurenine---oxoglutarate transaminase



DL-2-hydroxybutyrate + FMN <=> 2-oxobutyrate + FMNH2 1.1.99.31 (S)-mandelate dehydrogenase

ADP + (Z)-Phosphoenol-2-ketobutyrate <=> 2-oxobutyrate + ATP 2.7.1.40 pyruvate kinase

D-threonine <=> NH3 + 2-oxobutyrate 4.3.1.18 D-serine ammonia-lyase

5,10-methylenetetrahydrofolate + H2O + 2-oxobutyrate <=> 4-Hydroxy-3-methyl-2-oxobutanoic_acid + tetrahydrofolate 2.1.2.11 3-methyl-2-oxobutanoate hydroxymethyltransferase

O-phospho-L-homoserine + H2O <=> 2-oxobutyrate + phosphate + NH3 2.5.1.48 cystathionine gamma-synthase