MetaCyc Pathway: purine ribonucleosides degradation in Escherichia coli ECOR38

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Adenosine deaminase:
adenosine + H+ + H2O→inosine + ammonium (EC 3.5.4.4)
HEPCGN_05960 (add)
HEPCGN_20380 (yfiH)
Purine-nucleoside phosphorylase:
inosine + phosphate→α-D-ribose-1-phosphate + hypoxanthine (EC 2.4.2.1)
HEPCGN_07225 (ppnP)
HEPCGN_09220 (deoD)
HEPCGN_20380 (yfiH)
HEPCGN_21430 (xapA)
Purine-nucleoside phosphorylase:
xanthosine + phosphate→α-D-ribose-1-phosphate + xanthine (EC 2.4.2.1)
HEPCGN_07225 (ppnP)
HEPCGN_09220 (deoD)
HEPCGN_21430 (xapA)
Purine-nucleoside phosphorylase:
guanosine + phosphate→α-D-ribose-1-phosphate + guanine (EC 2.4.2.1; 2.4.2.15)
HEPCGN_07225 (ppnP)
HEPCGN_09220 (deoD)
HEPCGN_21430 (xapA)
Purine-nucleoside phosphorylase:
adenosine + phosphate→α-D-ribose-1-phosphate + adenine (EC 2.4.2.1)
HEPCGN_07225 (ppnP)
HEPCGN_09220 (deoD)
HEPCGN_20380 (yfiH)
HEPCGN_21430 (xapA)
Phosphopentomutase:
α-D-ribose-1-phosphate→D-ribose 5-phosphate (EC 5.4.2.7)
HEPCGN_09225 (deoB)
HEPCGN_15980 (yhfW)

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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