MetaCyc Pathway: L-citrulline biosynthesis in Pseudomonas fluorescens FW300-N2E2

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Reactions and Genes Cytosine (N)
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Arginase:
L-arginine + H2O→L-ornithine + urea (EC 3.5.3.1)
No genes
Glutamate synthase (NADPH):
L-glutamine + H2O→L-glutamate + ammonia + H+ (EC 1.4.1.13; 1.4.1.14; 1.4.7.1; 2.6.1.85; 3.5.1.2; 3.5.1.38; 4.1.3.27; 4.3.2.10; 4.3.3.6; 6.3.4.2; 6.3.5.13; 6.3.5.2; 6.3.5.4; 6.3.5.5; 6.3.5.6; 6.3.5.7)
Pf6N2E2_1327 +0.2
Pf6N2E2_1717 -0.1
Pf6N2E2_1718 +0.3
Pf6N2E2_1828 -0.2
Pf6N2E2_2102 +0.2
Pf6N2E2_2224 +0.2
Pf6N2E2_2471 -0.2
Pf6N2E2_2542 +0.0
Pf6N2E2_2604 +0.1
Pf6N2E2_2840 +0.0
Pf6N2E2_2847 -0.0
Pf6N2E2_2929 +0.0
Pf6N2E2_3050 N.D.
Pf6N2E2_3151 +0.3
Pf6N2E2_3164 N.D.
Pf6N2E2_3288 N.D.
Pf6N2E2_3289 N.D.
Pf6N2E2_3290 N.D.
Pf6N2E2_3364 N.D.
Pf6N2E2_3365 N.D.
Pf6N2E2_3403 +0.1
Pf6N2E2_3707 N.D.
Pf6N2E2_3751 -5.8
Pf6N2E2_3752 -4.8
Pf6N2E2_4822 -0.5
Pf6N2E2_4824 -0.8
Pf6N2E2_4916 +0.3
Pf6N2E2_497 -2.0
Pf6N2E2_5461 -0.2
Pf6N2E2_5644 -0.1
Pf6N2E2_5756 -0.0
Pf6N2E2_6001 -0.0
Pf6N2E2_6056 +0.1
L-proline[in] + an electron-transfer quinone→(S)-1-pyrroline-5-carboxylate[in] + an electron-transfer quinol + H+[in] (EC 1.5.5.2)
No genes
Glutamate 5-kinase:
L-glutamate + ATP→γ-L-glutamyl 5-phosphate + ADP (EC 2.7.2.11)
Pf6N2E2_5103 -0.4
(S)-1-pyrroline-5-carboxylate + H+ + H2O→L-glutamate 5-semialdehyde (spontaneous)
No genes
Glutamate-5-semialdehyde dehydrogenase (in reverse):
γ-L-glutamyl 5-phosphate + NADPH + H+→L-glutamate 5-semialdehyde + NADP+ + phosphate (EC 1.2.1.41)
Pf6N2E2_4993 +0.4
Ornithine aminotransferase (in reverse):
L-glutamate + L-glutamate 5-semialdehyde→L-ornithine + 2-oxoglutarate (EC 2.6.1.13)
Pf6N2E2_5665 -0.7
Ornithine carbamoyltransferase:
L-ornithine + carbamoyl phosphate→L-citrulline + H+ + phosphate (EC 2.1.3.3)
Pf6N2E2_2909 +0.2
Pf6N2E2_5579 -2.7

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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