MetaCyc Pathway: purine nucleotides degradation I (plants) in Escherichia coli ECOR27

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Adenosine-phosphate deaminase:
AMP + H+ + H2O→IMP + ammonium
(EC 3.5.4.17; 3.5.4.6)
No genes
5'-nucleotidase:
GMP + H2O→guanosine + phosphate
(EC 3.1.3.5)
NOLOHH_01040 (ushA)
NOLOHH_03605 (yjjG)
NOLOHH_05160 (aphA)
NOLOHH_08855 (yrfG)
NOLOHH_12295 (surE)
NOLOHH_14440 (yfbR)
Guanosine deaminase:
guanosine + H+ + H2O→xanthosine + ammonium
(EC 3.5.4.15)
No genes
IMP dehydrogenase:
IMP + NAD+ + H2O→XMP + NADH + H+
(EC 1.1.1.205)
NOLOHH_13410 (guaB)
5'-nucleotidase:
IMP + H2O→inosine + phosphate
(EC 3.1.3.5; 3.1.3.99)
NOLOHH_01040 (ushA)
NOLOHH_01550 (phoA)
NOLOHH_03605 (yjjG)
NOLOHH_05160 (aphA)
NOLOHH_08855 (yrfG)
NOLOHH_12295 (surE)
NOLOHH_14440 (yfbR)
Purine nucleosidase:
guanosine + H2O→guanine + D-ribofuranose
(EC 3.2.2.1)
NOLOHH_03290 (rihC)
NOLOHH_15045 (rihB)
NOLOHH_23660 (rihA)
Guanine deaminase:
guanine + H+ + H2O→xanthine + ammonium
(EC 3.5.4.3)
NOLOHH_11555 (guaD)
Inosine nucleosidase:
inosine + H2O→hypoxanthine + D-ribofuranose
(EC 3.2.2.2)
NOLOHH_03290 (rihC)
NOLOHH_15045 (rihB)
NOLOHH_23660 (rihA)
5'-nucleotidase:
XMP + H2O→xanthosine + phosphate
(EC 3.1.3.5)
NOLOHH_01040 (ushA)
NOLOHH_03605 (yjjG)
NOLOHH_05160 (aphA)
NOLOHH_12295 (surE)
NOLOHH_14440 (yfbR)
Xanthine dehydrogenase:
hypoxanthine + NAD+ + H2O→xanthine + NADH + H+
(EC 1.17.1.4)
NOLOHH_02020 (paoB)
NOLOHH_02025 (paoC)
NOLOHH_11630 (xdhB)
NOLOHH_11635 (xdhB)
NOLOHH_11640 (xdhA)
Purine nucleosidase:
xanthosine + H2O→xanthine + D-ribofuranose
(EC 3.2.2.1)
NOLOHH_03290 (rihC)
NOLOHH_15045 (rihB)
NOLOHH_23660 (rihA)
Xanthine dehydrogenase:
xanthine + NAD+ + H2O→urate + NADH + H+
(EC 1.17.1.4)
NOLOHH_02020 (paoB)
NOLOHH_02025 (paoC)
NOLOHH_11630 (xdhB)
NOLOHH_11635 (xdhB)
NOLOHH_11640 (xdhA)

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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