MetaCyc Pathway: L-ornithine biosynthesis I in Escherichia coli BW25113

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Reactions and Genes Ying_sugar7 rep A; time point 3
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Amino-acid N-acetyltransferase:
L-glutamate + acetyl-CoA→N-acetyl-L-glutamate + coenzyme A + H+ (EC 2.3.1.1)
b2818 (argA) -9.3
Acetylglutamate kinase:
N-acetyl-L-glutamate + ATP→N-acetylglutamyl-phosphate + ADP (EC 2.7.2.8)
b3959 (argB) -9.2
N-acetyl-gamma-glutamyl-phosphate reductase (in reverse):
N-acetylglutamyl-phosphate + NADPH + H+→N-acetyl-L-glutamate 5-semialdehyde + NADP+ + phosphate (EC 1.2.1.38)
b3958 (argC) -9.5
Acetylornithine transaminase (in reverse):
N-acetyl-L-glutamate 5-semialdehyde + L-glutamate→N-acetyl-L-ornithine + 2-oxoglutarate (EC 2.6.1.11)
b1748 (astC) +0.2
b2662 (gabT) +0.2
b3359 (argD) -1.1
Acetylornithine deacetylase:
N-acetyl-L-ornithine + H2O→L-ornithine + acetate (EC 3.5.1.16)
b3957 (argE) -9.4

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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