MetaCyc Pathway: superpathway of branched chain amino acid biosynthesis in Rhodosporidium toruloides IFO0880

Add experiment(s):


Acetolactate synthase:
2 pyruvate + H+→(S)-2-acetolactate + CO2 (EC 2.2.1.6)
mRNA_7317 (15685)
mRNA_1432 (9800)
Threonine ammonia-lyase:
L-threonine→(2Z)-2-aminobut-2-enoate + H+ + H2O (EC 4.3.1.19)
mRNA_3541 (11909)
mRNA_4566 (12934)
Ketol-acid reductoisomerase (in reverse):
(S)-2-acetolactate + NADPH + H+→(2R)-2,3-dihydroxy-3-methylbutanoate + NADP+ (EC 1.1.1.86)
mRNA_808 (9176)
mRNA_809 (9177)
mRNA_810 (9178)
1-aminocyclopropane-1-carboxylate deaminase:
(2Z)-2-aminobut-2-enoate→2-iminobutanoate (spontaneous) (EC 3.5.99.7; 4.3.1.19; 4.4.1.1; 4.4.1.11; 4.4.1.2)
mRNA_3541 (11909)
mRNA_4566 (12934)
mRNA_1131 (9499)
Dihydroxy-acid dehydratase:
(2R)-2,3-dihydroxy-3-methylbutanoate→3-methyl-2-oxobutanoate + H2O (EC 4.2.1.9)
mRNA_6258 (14626)
mRNA_1321 (9689)
2-iminobutanoate + H+ + H2O→2-oxobutanoate + ammonium (spontaneous) (EC 3.5.99.10; 3.5.99.7; 4.3.1.19; 4.4.1.1; 4.4.1.11; 4.4.1.2)
mRNA_3541 (11909)
mRNA_4566 (12934)
mRNA_1131 (9499)
mRNA_1489 (9857)
2-isopropylmalate synthase:
3-methyl-2-oxobutanoate + acetyl-CoA + H2O→(2S)-2-isopropylmalate + coenzyme A + H+ (EC 2.3.3.13)
mRNA_7120 (15488)
Acetolactate synthase:
2-oxobutanoate + pyruvate + H+→(S)-2-aceto-2-hydroxybutanoate + CO2 (EC 2.2.1.6)
mRNA_7317 (15685)
mRNA_1432 (9800)
Branched-chain-amino-acid transaminase (in reverse):
3-methyl-2-oxobutanoate + L-glutamate→L-valine + 2-oxoglutarate (EC 2.6.1.42)
mRNA_5646 (14014)
mRNA_6242 (14610)
mRNA_6485 (14853)
3-isopropylmalate dehydratase (in reverse):
(2S)-2-isopropylmalate→2-isopropylmaleate + H2O (EC 4.2.1.33)
mRNA_6546 (14914)
mRNA_7648 (16016)
Ketol-acid reductoisomerase (in reverse):
(S)-2-aceto-2-hydroxybutanoate + NADPH + H+→(R)-2,3-dihydroxy-3-methylpentanoate + NADP+ (EC 1.1.1.86)
mRNA_808 (9176)
mRNA_809 (9177)
mRNA_810 (9178)
Dihydroxy-acid dehydratase:
(R)-2,3-dihydroxy-3-methylpentanoate→(3S)-3-methyl-2-oxopentanoate + H2O (EC 4.2.1.9)
mRNA_6258 (14626)
mRNA_1321 (9689)
3-isopropylmalate dehydratase (in reverse):
2-isopropylmaleate + H2O→(2R,3S)-3-isopropylmalate (EC 4.2.1.33)
mRNA_6546 (14914)
mRNA_7648 (16016)
3-isopropylmalate dehydrogenase:
(2R,3S)-3-isopropylmalate + NAD+→(2S)-2-isopropyl-3-oxosuccinate + NADH + H+ (EC 1.1.1.85)
mRNA_2060 (10428)
mRNA_5526 (13894)
Branched-chain-amino-acid transaminase (in reverse):
(3S)-3-methyl-2-oxopentanoate + L-glutamate→L-isoleucine + 2-oxoglutarate (EC 2.6.1.42)
mRNA_5646 (14014)
mRNA_6242 (14610)
mRNA_6485 (14853)
3-isopropylmalate dehydrogenase:
(2S)-2-isopropyl-3-oxosuccinate + H+→4-methyl-2-oxopentanoate + CO2 (spontaneous) (EC 1.1.1.85)
mRNA_2060 (10428)
mRNA_5526 (13894)
Branched-chain-amino-acid transaminase (in reverse):
4-methyl-2-oxopentanoate + L-glutamate→L-leucine + 2-oxoglutarate (EC 2.6.1.42; 2.6.1.6)
mRNA_5646 (14014)
mRNA_6242 (14610)
mRNA_6485 (14853)

Links:

Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information