MetaCyc Pathway: superpathway of L-isoleucine biosynthesis I in Sphingomonas koreensis DSMZ 15582

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Reactions and Genes D-Xylose (C)
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Aspartate transaminase (in reverse):
oxaloacetate + L-glutamate→L-aspartate + 2-oxoglutarate (EC 2.6.1.1)
Ga0059261_0947 +0.1
Ga0059261_1288 -1.6
Ga0059261_1558 -0.0
Ga0059261_1688 +0.1
Ga0059261_2226 -4.6
Ga0059261_3317 +0.0
Aspartate kinase:
L-aspartate + ATP→L-aspartyl-4-phosphate + ADP (EC 2.7.2.4)
Ga0059261_2519 N.D.
Aspartate-semialdehyde dehydrogenase (in reverse):
L-aspartyl-4-phosphate + NADPH + H+→L-aspartate 4-semialdehyde + NADP+ + phosphate (EC 1.2.1.11)
Ga0059261_4003 N.D.
Homoserine dehydrogenase (in reverse):
L-aspartate 4-semialdehyde + NAD(P)H + H+→L-homoserine + NAD(P)+ (EC 1.1.1.3)
Ga0059261_2711 -3.0
Homoserine kinase:
L-homoserine + ATP→O-phospho-L-homoserine + ADP + H+ (EC 2.7.1.39)
Ga0059261_3253 -4.0
Threonine synthase:
O-phospho-L-homoserine + H2O→L-threonine + phosphate (EC 4.2.3.1)
Ga0059261_1586 +0.0
Ga0059261_1999 -3.4
Threonine ammonia-lyase:
L-threonine→(Z)-2-aminobutenoate + H2O (EC 4.3.1.19)
Ga0059261_3694 -3.9
Ga0059261_3754 N.D.
1-aminocyclopropane-1-carboxylate deaminase:
(Z)-2-aminobutenoate→2-iminobutanoate (spontaneous) (EC 3.5.99.7; 4.3.1.19; 4.4.1.1; 4.4.1.11; 4.4.1.2)
Ga0059261_1458 -0.3
Ga0059261_3694 -3.9
Ga0059261_3754 N.D.
2-iminobutanoate + 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)
Ga0059261_1458 -0.3
Ga0059261_3694 -3.9
Ga0059261_3754 N.D.
Acetolactate synthase:
2-oxobutanoate + H+ + pyruvate→(S)-2-aceto-2-hydroxybutanoate + CO2 (EC 2.2.1.6)
Ga0059261_0067 -5.3
Ga0059261_0068 -4.4
Ga0059261_0285 +0.3
Ga0059261_0603 +0.1
Ga0059261_1674 +0.0
Ketol-acid reductoisomerase (in reverse):
(S)-2-aceto-2-hydroxybutanoate + NADPH + H+→(R)-2,3-dihydroxy-3-methylpentanoate + NADP+ (EC 1.1.1.86)
Ga0059261_0066 N.D.
Dihydroxy-acid dehydratase:
(R)-2,3-dihydroxy-3-methylpentanoate→(3S)-3-methyl-2-oxopentanoate + H2O (EC 4.2.1.9)
Ga0059261_2649 -4.2
Ga0059261_4216 -4.1
Branched-chain-amino-acid transaminase (in reverse):
(3S)-3-methyl-2-oxopentanoate + L-glutamate→L-isoleucine + 2-oxoglutarate (EC 2.6.1.42)
Ga0059261_3811 -3.9

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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