MetaCyc Pathway: superpathway of pyrimidine ribonucleosides degradation in Escherichia coli BW25113

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Reactions and Genes 1-ethyl-3-methylimidazolium acetate 30 mM
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Cytidine deaminase:
cytidine + H+ + H2O→uridine + ammonium (EC 3.5.4.5)
b2143 (cdd) -3.1
Pyrimidine-nucleoside phosphorylase:
uridine + phosphate→uracil + α-D-ribose-1-phosphate (EC 2.4.2.2; 2.4.2.3)
b0391 (yaiE) +0.1
b3831 (udp) -0.1
b4382 (deoA) +0.0
Dihydropyrimidine dehydrogenase (NADP(+)) (in reverse):
uracil + NADPH + H+→5,6-dihydrouracil + NADP+ (EC 1.3.1.2)
b2147 (yeiA) -0.1
Dihydropyrimidinase:
5,6-dihydrouracil + H2O→3-ureidopropanoate + H+ (EC 3.5.2.2)
b2873 (b2873) +0.1
Beta-ureidopropionase:
3-ureidopropanoate + 2 H+ + H2O→β-alanine + ammonium + CO2 (EC 3.5.1.6)
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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