| Reactions and Genes | Putrescine (N) |
|---|
| remove |
Aspartate transaminase (in reverse):
oxaloacetate + L-glutamate→L-aspartate + 2-oxoglutarate (EC 2.6.1.1) |
| b0928 (aspC) | -2.9 |
| b4340 (yjiR) | +0.1 |
Aspartate kinase:
L-aspartate + ATP→L-aspartyl-4-phosphate + ADP (EC 2.7.2.4) |
| b0002 (thrA) | -4.6 |
| b3940 (metL) | -1.0 |
| b4024 (lysC) | +1.3 |
L-aspartate oxidase:
L-aspartate + dioxygen→2-iminosuccinate + hydrogen peroxide + H+ (EC 1.4.3.16) |
| b2574 (nadB) | -1.8 |
Aspartate-semialdehyde dehydrogenase (in reverse):
L-aspartyl-4-phosphate + NADPH + H+→L-aspartate 4-semialdehyde + NADP+ + phosphate (EC 1.2.1.11) |
| b2319 (usg) | -0.3 |
| b3433 (asd) | N.D. |
Quinolinate synthase:
2-iminosuccinate + glycerone phosphate→quinolinate + phosphate + 2 H2O (EC 2.5.1.72) |
| b0750 (nadA) | -2.5 |
| L-aspartate 4-semialdehyde + pyruvate→(2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinate + H+ + H2O (EC 4.3.3.7) |
| b0268 (yagE) | +0.0 |
| b2478 (dapA) | N.D. |
| b4298 (yjhH) | +0.0 |
Homoserine dehydrogenase (in reverse):
L-aspartate 4-semialdehyde + NAD(P)H + H+→L-homoserine + NAD(P)+ (EC 1.1.1.3) |
| b0002 (thrA) | -4.6 |
| b3940 (metL) | -1.0 |
Nicotinate-nucleotide diphosphorylase (carboxylating) (in reverse):
quinolinate + 2 H+ + 5-phospho-α-D-ribose 1-diphosphate→β-nicotinate D-ribonucleotide + CO2 + diphosphate (EC 2.4.2.19) |
| b0109 (nadC) | -1.8 |
Homoserine kinase:
L-homoserine + ATP→O-phospho-L-homoserine + ADP + H+ (EC 2.7.1.39) |
| b0003 (thrB) | -4.5 |
Homoserine O-succinyltransferase:
L-homoserine + succinyl-CoA→O-succinyl-L-homoserine + coenzyme A (EC 2.3.1.46) |
| b4013 (metA) | -2.6 |
Nicotinate-nucleotide adenylyltransferase:
β-nicotinate D-ribonucleotide + ATP + H+→nicotinate adenine dinucleotide + diphosphate (EC 2.7.7.18) |
| b0639 (nadD) | N.D. |
| (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) |
| b0031 (dapB) | N.D. |
NAD(+) synthase (glutamine-hydrolyzing):
nicotinate adenine dinucleotide + ATP + L-glutamine + H2O→NAD+ + AMP + L-glutamate + diphosphate + H+ (EC 6.3.5.1) |
| No genes |
NAD(+) synthase:
nicotinate adenine dinucleotide + ammonium + ATP→NAD+ + AMP + diphosphate + H+ (EC 6.3.1.5) |
| b1740 (nadE) | N.D. |
Cystathionine gamma-synthase:
O-succinyl-L-homoserine + L-cysteine→L-cystathionine + H+ + succinate (EC 2.5.1.48) |
| b3939 (metB) | -4.6 |
2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase:
(S)-2,3,4,5-tetrahydrodipicolinate + succinyl-CoA + H2O→N-succinyl-2-amino-6-ketopimelate + coenzyme A (EC 2.3.1.117) |
| b0166 (dapD) | N.D. |
Threonine synthase:
O-phospho-L-homoserine + H2O→L-threonine + phosphate (EC 4.2.3.1) |
| b0004 (thrC) | -4.4 |
Cysteine-S-conjugate beta-lyase:
L-cystathionine + H2O→L-homocysteine + ammonium + pyruvate (EC 4.4.1.13) |
| b1622 (malY) | -0.0 |
| b3008 (metC) | -4.8 |
Succinyldiaminopimelate transaminase (in reverse):
N-succinyl-2-amino-6-ketopimelate + L-glutamate→N-succinyl-L,L-2,6-diaminopimelate + 2-oxoglutarate (EC 2.6.1.17) |
| b0907 (serC) | -3.9 |
| b3359 (argD) | -0.0 |
5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase:
L-homocysteine + 5-methyltetrahydropteroyl tri-L-glutamate→L-methionine + tetrahydropteroyl tri-L-glutamate (EC 2.1.1.14) |
| b3829 (metE) | -4.2 |
Methionine synthase:
L-homocysteine + a 5-methyltetrahydrofolate→L-methionine + a tetrahydrofolate (EC 2.1.1.13) |
| b4019 (metH) | -0.1 |
Succinyl-diaminopimelate desuccinylase:
N-succinyl-L,L-2,6-diaminopimelate + H2O→L,L-diaminopimelate + succinate (EC 3.5.1.18) |
| b2472 (dapE) | N.D. |
Diaminopimelate epimerase:
L,L-diaminopimelate→meso-diaminopimelate (EC 5.1.1.7) |
| b1852 (zwf) | N.D. |
| b3809 (dapF) | N.D. |
Methionine adenosyltransferase:
L-methionine + ATP + H2O→S-adenosyl-L-methionine + diphosphate + phosphate (EC 2.5.1.6) |
| b2942 (metK) | N.D. |
Diaminopimelate decarboxylase:
meso-diaminopimelate + H+→L-lysine + CO2 (EC 4.1.1.20) |
| b2838 (lysA) | -3.8 |
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