MetaCyc Pathway: superpathway of L-lysine, L-threonine and L-methionine biosynthesis I in Pseudomonas fluorescens FW300-N1B4

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Reactions and Genes L-Leucine (N)
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Aspartate transaminase (in reverse):
oxaloacetate + L-glutamate→L-aspartate + 2-oxoglutarate
(EC 2.6.1.1)
Pf1N1B4_160 -0.2
Pf1N1B4_2018 +0.1
Pf1N1B4_2139 -0.1
Pf1N1B4_261 +0.0
Pf1N1B4_3564 +0.3
Pf1N1B4_3771 -0.4
Pf1N1B4_386 +1.3
Pf1N1B4_4186 -0.2
Pf1N1B4_4425 +0.3
Pf1N1B4_4646 +0.1
Pf1N1B4_4672 N.D.
Pf1N1B4_4996 -0.1
Pf1N1B4_5070 +0.0
Pf1N1B4_510 +0.0
Pf1N1B4_5999 +0.0
Pf1N1B4_818 -0.2
Pf1N1B4_849 -0.1
Aspartate kinase:
L-aspartate + ATP→L-aspartyl-4-phosphate + ADP
(EC 2.7.2.4)
Pf1N1B4_3451 +0.2
Aspartate-semialdehyde dehydrogenase (in reverse):
L-aspartyl-4-phosphate + NADPH + H+→L-aspartate 4-semialdehyde + NADP+ + phosphate
(EC 1.2.1.11)
Pf1N1B4_10 -1.1
Pf1N1B4_11 N.D.
Pf1N1B4_3225 N.D.
L-aspartate 4-semialdehyde + pyruvate→(2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinate + H+ + H2O (EC 4.3.3.7)
Pf1N1B4_3332 N.D.
Pf1N1B4_5813 +0.1
Homoserine dehydrogenase (in reverse):
L-aspartate 4-semialdehyde + NAD(P)H + H+→L-homoserine + NAD(P)+
(EC 1.1.1.3)
Pf1N1B4_3013 N.D.
Homoserine kinase:
L-homoserine + ATP→O-phospho-L-homoserine + ADP + H+
(EC 2.7.1.39)
Pf1N1B4_1873 N.D.
Pf1N1B4_3813 +0.6
Homoserine O-succinyltransferase:
L-homoserine + succinyl-CoA→O-succinyl-L-homoserine + coenzyme A
(EC 2.3.1.46)
No genes
(2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinate + NAD(P)H + H+→(S)-2,3,4,5-tetrahydrodipicolinate + NAD(P)+ + H2O (EC 1.17.1.8)
Pf1N1B4_1174 N.D.
Cystathionine gamma-synthase:
O-succinyl-L-homoserine + L-cysteine→L-cystathionine + H+ + succinate
(EC 2.5.1.48)
No genes
2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase:
(S)-2,3,4,5-tetrahydrodipicolinate + succinyl-CoA + H2ON-succinyl-2-amino-6-ketopimelate + coenzyme A
(EC 2.3.1.117)
Pf1N1B4_3077 N.D.
Threonine synthase:
O-phospho-L-homoserine + H2O→L-threonine + phosphate
(EC 4.2.3.1)
Pf1N1B4_3014 N.D.
Cysteine-S-conjugate beta-lyase:
L-cystathionine + H2O→L-homocysteine + ammonium + pyruvate
(EC 4.4.1.13)
No genes
Succinyldiaminopimelate transaminase (in reverse):
N-succinyl-2-amino-6-ketopimelate + L-glutamateN-succinyl-L,L-2,6-diaminopimelate + 2-oxoglutarate
(EC 2.6.1.17)
Pf1N1B4_3080 -0.1
Pf1N1B4_3440 -0.1
5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase:
L-homocysteine + 5-methyltetrahydropteroyl tri-L-glutamate→L-methionine + tetrahydropteroyl tri-L-glutamate
(EC 2.1.1.14)
Pf1N1B4_783 +0.1
Methionine synthase:
L-homocysteine + a 5-methyltetrahydrofolate→L-methionine + a tetrahydrofolate
(EC 2.1.1.13)
Pf1N1B4_5661 -0.0
Succinyl-diaminopimelate desuccinylase:
N-succinyl-L,L-2,6-diaminopimelate + H2O→L,L-diaminopimelate + succinate
(EC 3.5.1.18)
Pf1N1B4_3071 N.D.
Diaminopimelate epimerase:
L,L-diaminopimelate→meso-diaminopimelate
(EC 5.1.1.7)
Pf1N1B4_114 -0.2
Pf1N1B4_2173 -0.6
Pf1N1B4_4726 -0.1
Pf1N1B4_589 N.D.
Diaminopimelate decarboxylase:
meso-diaminopimelate + H+→L-lysine + CO2
(EC 4.1.1.20)
Pf1N1B4_2174 N.D.

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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