MetaCyc Pathway: purine nucleobases degradation II (anaerobic) in Desulfovibrio vulgaris Hildenborough JW710

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Reactions and Genes MoLS4 with L-Cysteine 1mM as (N)
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Guanine deaminase:
guanine + H+ + H2O→xanthine + ammonium
(EC 3.5.4.3)
No genes
Xanthine dehydrogenase:
hypoxanthine + NAD+ + H2O→6,8-dihydroxypurine + NADH + H+
(EC 1.17.1.4)
DVU1559 (mop) +0.0
Xanthine dehydrogenase:
purine + NAD+ + H2O→8-hydroxypurine + NADH + H+
(EC 1.17.1.4)
DVU1559 (mop) +0.0
8-hydroxypurine + NAD+ + H2O→6,8-dihydroxypurine + NADH + H+
No genes
Xanthine dehydrogenase:
6,8-dihydroxypurine + NAD+ + H2O→urate + NADH + H+
(EC 1.17.1.4)
DVU1559 (mop) +0.0
Xanthine dehydrogenase (in reverse):
urate + NADH + H+→xanthine + NAD+ + H2O
(EC 1.17.1.4)
DVU1559 (mop) +0.0
xanthine + H2O→5-ureidoimidazole-4-carboxylate + H+
No genes
5-ureidoimidazole-4-carboxylate + 2 H+ + H2O→5-aminoimidazole-4-carboxylate + CO2 + ammonium
No genes
5-aminoimidazole-4-carboxylate→CO2 + 4-aminoimidazole
No genes
Aminoimidazolase:
4-aminoimidazole + H+ + H2O→3,5-dihydro-4H-imidazol-4-one + ammonium
(EC 3.5.4.8)
No genes
3,5-dihydro-4H-imidazol-4-one + H2ON-formimino-glycine (spontaneous)
No genes
Glycine formimidoyltransferase (in reverse):
N-formimino-glycine + a tetrahydrofolate→5-formimidoyltetrahydrofolate + glycine
(EC 2.1.2.4)
No genes
Formimidoyltetrahydrofolate cyclodeaminase:
5-formimidoyltetrahydrofolate + 2 H+→a 5,10-methenyltetrahydrofolate + ammonium
(EC 4.3.1.4)
No genes
Methenyltetrahydrofolate cyclohydrolase:
a 5,10-methenyltetrahydrofolate + H2O→an N10-formyltetrahydrofolate + H+
(EC 3.5.4.9)
DVU0323 (folD) N.D.
Methylenetetrahydrofolate dehydrogenase (NADP(+)) (in reverse):
a 5,10-methenyltetrahydrofolate + NADPH→a 5,10-methylenetetrahydrofolate + NADP+
(EC 1.5.1.5)
DVU0323 (folD) N.D.
Formyltetrahydrofolate deformylase:
an N10-formyltetrahydrofolate + H2O→formate + H+ + a tetrahydrofolate
(EC 3.5.1.10)
DVU1540 (purU) -1.1
Glycine hydroxymethyltransferase (in reverse):
glycine + a 5,10-methylenetetrahydrofolate + H2O→L-serine + a tetrahydrofolate
(EC 2.1.2.1)
DVU1203 (glyA) N.D.
formate + NAD+→CO2 + NADH (EC 1.17.1.9)
DVU1611 -0.4
DVU2481 (fdoH) +0.4
DVU2482 (fdnG-2) -0.1
DVU2811 +0.4
DVU0578 +0.1
DVU0587 (fdnG-1) -0.1
DVU0588 (hybA) +0.1
L-serine ammonia-lyase:
L-serine→2-aminoprop-2-enoate + H2O
(EC 4.3.1.17)
DVU2147 (sda) -0.1
Tryptophanase:
2-aminoprop-2-enoate→2-iminopropanoate
(spontaneous) (EC 4.1.99.1; 4.1.99.2; 4.3.1.13; 4.3.1.17; 4.3.1.18; 4.3.3.8; 4.4.1.1; 4.4.1.13; 4.4.1.15; 4.4.1.25; 4.4.1.28; 4.4.1.35; 4.5.1.2)
DVU2147 (sda) -0.1
DVU2204 (tnaA) +0.0
DVU2646 -0.0
2-iminopropanoate + H2O→pyruvate + ammonium (spontaneous) (EC 3.5.99.10; 4.1.99.1; 4.1.99.2; 4.3.1.13; 4.3.1.17; 4.3.1.18; 4.3.3.8; 4.4.1.1; 4.4.1.13; 4.4.1.15; 4.4.1.25; 4.4.1.28; 4.4.1.35; 4.5.1.2)
DVU2147 (sda) -0.1
DVU2203 +0.3
DVU2204 (tnaA) +0.0
DVU2646 -0.0
DVU2647 -0.0
DVU0620 +0.2
Pyruvate synthase:
pyruvate + coenzyme A + 2 an oxidized ferredoxin [iron-sulfur] cluster→CO2 + acetyl-CoA + H+ + 2 a reduced ferredoxin [iron-sulfur] cluster
(EC 1.2.7.1)
DVU3025 (por) N.D.
Phosphate acetyltransferase:
acetyl-CoA + phosphate→acetyl phosphate + coenzyme A
(EC 2.3.1.8)
DVU3029 (pta) N.D.
Acetate kinase (in reverse):
acetyl phosphate + ADP→acetate + ATP
(EC 2.7.2.1; 2.7.2.15)
DVU0723 (purT) -0.1
DVU3030 (ackA) N.D.

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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