MetaCyc Pathway: superpathway of ornithine degradation in Herbaspirillum seropedicae SmR1

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Reactions and Genes Carbon source 2-Deoxy-D-Ribose 5 mM
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Ornithine decarboxylase:
L-ornithine + H+→putrescine + CO2 (EC 4.1.1.17)
HSERO_RS17280 N.D.
Putrescine aminotransferase:
putrescine + 2-oxoglutarate→4-aminobutanal + L-glutamate (EC 2.6.1.82)
No genes
Glutamate--putrescine ligase:
putrescine + ATP + L-glutamate→γ-glutamyl-L-putrescine + ADP + H+ + phosphate (EC 6.3.1.11)
No genes
Aminobutyraldehyde dehydrogenase:
4-aminobutanal + NAD+ + H2O→4-aminobutanoate + NADH + 2 H+ (EC 1.2.1.19)
HSERO_RS04810 -0.1
HSERO_RS05115 -2.7
HSERO_RS05710 +0.2
HSERO_RS09465 -0.5
HSERO_RS11260 +0.0
HSERO_RS17620 +0.1
HSERO_RS19755 +0.3
4-aminobutanal→1-pyrroline + H2O (spontaneous)
No genes
γ-glutamyl-L-putrescine + dioxygen + H2O→4-(γ-L-glutamylamino)butanal + ammonium + hydrogen peroxide (EC 1.4.3.M3)
No genes
4-(γ-L-glutamylamino)butanal + NAD(P)+ + H2O→4-(γ-L-glutamylamino)butanoate + NAD(P)H + 2 H+ (EC 1.2.1.99)
No genes
Gamma-glutamyl-gamma-aminobutyrate hydrolase:
4-(γ-L-glutamylamino)butanoate + H2O→4-aminobutanoate + L-glutamate (EC 3.5.1.94)
No genes

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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