MetaCyc Pathway: superpathway of guanosine nucleotides degradation (plants) in Shewanella amazonensis SB2B

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Reactions and Genes L-Lysine 200 mM
remove
5'-nucleotidase:
GMP + H2O→guanosine + phosphate
(EC 3.1.3.5)
Sama_0182 +0.0
Sama_0285 +0.0
Sama_1041 (surE) -0.2
Sama_1696 -0.5
Sama_2021 (ushA) +1.3
Sama_2099 +0.1
Sama_2370 -0.1
Guanosine deaminase:
guanosine + H+ + H2O→xanthosine + ammonium
(EC 3.5.4.15)
No genes
Purine nucleosidase:
guanosine + H2O→guanine + D-ribofuranose
(EC 3.2.2.1)
No genes
Guanine deaminase:
guanine + H+ + H2O→xanthine + ammonium
(EC 3.5.4.3)
No genes
Purine nucleosidase:
xanthosine + H2O→xanthine + D-ribofuranose
(EC 3.2.2.1)
No genes
Xanthine dehydrogenase:
xanthine + NAD+ + H2O→urate + NADH + H+
(EC 1.17.1.4)
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