MetaCyc Pathway: superpathway of L-arginine, putrescine, and 4-aminobutanoate degradation in Agrobacterium fabrum C58

Reactions and Genes	Ethanolamine (N)
Arginine decarboxylase: L-arginine + H+→agmatine + CO2 (EC 4.1.1.19)
Atu3196	N.D.
Agmatinase: agmatine + H2O→putrescine + urea (EC 3.5.3.11)
Atu1245	-0.1
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)
Atu2139	-2.6
Atu2224	-0.0
Atu2734	-0.1
Atu3401	-0.1
Atu3403	+0.2
Atu3950	+0.0
Atu3959	-0.2
Atu4241	+0.2
Atu4849	-0.2
Atu5228	N.D.
γ-glutamyl-L-putrescine + dioxygen + H2O→4-(γ-L-glutamylamino)butanal + ammonium + hydrogen peroxide (EC 1.4.3.M3)
Atu0194	-0.0
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
4-aminobutyrate transaminase: 4-aminobutanoate + 2-oxoglutarate→succinate semialdehyde + L-glutamate (EC 2.6.1.19)
Atu4761	-0.0
Succinate-semialdehyde dehydrogenase: succinate semialdehyde + NAD+ + H2O→succinate + NADH + 2 H+ (EC 1.2.1.24)
No genes
succinate semialdehyde + NADP+ + H2O→succinate + NADPH + 2 H+ (EC 1.2.1.79)
Atu4762	+0.0

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