MetaCyc Pathway: L-methionine salvage cycle III in Enterobacter asburiae PDN3

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S-methyl-5'-thioadenosine phosphorylase:
S-methyl-5'-thioadenosine + phosphateS-methyl-5-thio-α-D-ribose 1-phosphate + adenine
(EC 2.4.2.28)
EX28DRAFT_2694
S-methyl-5-thioribose-1-phosphate isomerase:
S-methyl-5-thio-α-D-ribose 1-phosphate→S-methyl-5-thio-D-ribulose 1-phosphate
(EC 5.3.1.23)
EX28DRAFT_2358
Methylthioribulose 1-phosphate dehydratase:
S-methyl-5-thio-D-ribulose 1-phosphate→5-(methylsulfanyl)-2,3-dioxopentyl 1-phosphate + H2O
(EC 4.2.1.109)
EX28DRAFT_2354
Acireductone synthase:
5-(methylsulfanyl)-2,3-dioxopentyl 1-phosphate→2-hydroxy-5-(methylsulfanyl)-3-oxopent-1-enyl 1-phosphate + H+
(EC 3.1.3.77; 5.3.2.5)
EX28DRAFT_2355
Acireductone synthase:
2-hydroxy-5-(methylsulfanyl)-3-oxopent-1-enyl 1-phosphate + H2O→1,2-dihydroxy-5-(methylsulfanyl)pent-1-en-3-one + phosphate
(EC 3.1.3.77; 3.1.3.87)
EX28DRAFT_2355
Acireductone dioxygenase (Fe(2+)-requiring):
1,2-dihydroxy-5-(methylsulfanyl)pent-1-en-3-one + dioxygen→4-(methylsulfanyl)-2-oxobutanoate + formate + H+
(EC 1.13.11.54)
EX28DRAFT_2356
4-(methylsulfanyl)-2-oxobutanoate + L-glutamine→2-oxoglutaramate + L-methionine (EC 2.6.1.117)
No genes
2-oxoglutaramate + H2O→2-oxoglutarate + ammonium (EC 3.5.1.111; 3.5.1.3)
EX28DRAFT_2669
Methionine adenosyltransferase:
L-methionine + ATP + H2OS-adenosyl-L-methionine + diphosphate + phosphate
(EC 2.5.1.6)
EX28DRAFT_2980
Adenosylmethionine decarboxylase:
S-adenosyl-L-methionine + H+S-adenosyl 3-(methylsulfanyl)propylamine + CO2
(EC 4.1.1.50)
EX28DRAFT_3717
Spermidine synthase:
S-adenosyl 3-(methylsulfanyl)propylamine + putrescine→spermidine + S-methyl-5'-thioadenosine + H+
(EC 2.5.1.16)
EX28DRAFT_3718

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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