MetaCyc Pathway: superpathway of L-isoleucine biosynthesis I in Burkholderia phytofirmans PsJN

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Reactions and Genes L-Isoleucine (N)
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Aspartate transaminase (in reverse):
oxaloacetate + L-glutamate→L-aspartate + 2-oxoglutarate
(EC 2.6.1.1)
BPHYT_RS00155 +0.5
BPHYT_RS04100 N.D.
BPHYT_RS05430 -0.2
BPHYT_RS05975 +0.2
BPHYT_RS06770 +0.2
BPHYT_RS08040 +0.4
BPHYT_RS08950 -0.6
BPHYT_RS09580 -0.1
BPHYT_RS10265 +0.3
BPHYT_RS10440 +0.1
BPHYT_RS13065 -0.1
BPHYT_RS13450 +0.2
BPHYT_RS15405 +0.0
BPHYT_RS15820 -0.2
BPHYT_RS21060 -0.6
BPHYT_RS21560 -0.1
BPHYT_RS21610 -0.5
BPHYT_RS21730 -0.1
BPHYT_RS22065 +0.0
BPHYT_RS22425 -0.0
BPHYT_RS26535 +0.5
BPHYT_RS27000 -0.0
BPHYT_RS28370 +0.0
BPHYT_RS28685 +0.2
BPHYT_RS28695 -0.1
BPHYT_RS30590 +0.5
BPHYT_RS30680 -0.1
BPHYT_RS35285 -0.1
Aspartate kinase:
L-aspartate + ATP→L-aspartyl-4-phosphate + ADP
(EC 2.7.2.4)
BPHYT_RS12410 N.D.
Aspartate-semialdehyde dehydrogenase (in reverse):
L-aspartyl-4-phosphate + NADPH + H+→L-aspartate 4-semialdehyde + NADP+ + phosphate
(EC 1.2.1.11)
BPHYT_RS33895 N.D.
Homoserine dehydrogenase (in reverse):
L-aspartate 4-semialdehyde + NAD(P)H + H+→L-homoserine + NAD(P)+
(EC 1.1.1.3)
BPHYT_RS08955 -4.4
Homoserine kinase:
L-homoserine + ATP→O-phospho-L-homoserine + ADP + H+
(EC 2.7.1.39)
BPHYT_RS33645 -3.2
Threonine synthase:
O-phospho-L-homoserine + H2O→L-threonine + phosphate
(EC 4.2.3.1)
BPHYT_RS08960 -1.9
Threonine ammonia-lyase:
L-threonine→(Z)-2-aminobutenoate + H2O
(EC 4.3.1.19)
BPHYT_RS03145 N.D.
BPHYT_RS09280 +0.3
BPHYT_RS11065 N.D.
BPHYT_RS15425 -0.0
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)
BPHYT_RS03145 N.D.
BPHYT_RS09280 +0.3
BPHYT_RS11065 N.D.
BPHYT_RS15425 -0.0
BPHYT_RS26815 -0.1
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)
BPHYT_RS03145 N.D.
BPHYT_RS09280 +0.3
BPHYT_RS11065 N.D.
BPHYT_RS15425 -0.0
BPHYT_RS26815 -0.1
BPHYT_RS29300 +0.5
Acetolactate synthase:
2-oxobutanoate + H+ + pyruvate→(S)-2-aceto-2-hydroxybutanoate + CO2
(EC 2.2.1.6)
BPHYT_RS06145 +0.2
BPHYT_RS06545 -5.3
BPHYT_RS06550 +0.0
BPHYT_RS10500 +0.8
BPHYT_RS19345 -0.1
BPHYT_RS31395 +0.6
BPHYT_RS34970 -0.2
Ketol-acid reductoisomerase (in reverse):
(S)-2-aceto-2-hydroxybutanoate + NADPH + H+→(R)-2,3-dihydroxy-3-methylpentanoate + NADP+
(EC 1.1.1.86)
BPHYT_RS06555 -5.7
Dihydroxy-acid dehydratase:
(R)-2,3-dihydroxy-3-methylpentanoate→(3S)-3-methyl-2-oxopentanoate + H2O
(EC 4.2.1.9)
BPHYT_RS04815 -0.0
BPHYT_RS10100 -1.2
BPHYT_RS19730 -0.4
BPHYT_RS21270 -0.4
BPHYT_RS25650 -0.3
BPHYT_RS31695 -0.1
Branched-chain-amino-acid transaminase (in reverse):
(3S)-3-methyl-2-oxopentanoate + L-glutamate→L-isoleucine + 2-oxoglutarate
(EC 2.6.1.42)
BPHYT_RS16285 -2.4

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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