MetaCyc Pathway: superpathway of putrescine biosynthesis in Escherichia coli BW25113
| Arginine decarboxylase: L-arginine + H+→agmatine + CO2 (EC 4.1.1.19) |
| b2938 (speA) |
| b4117 (adiA) |
| Arginase: L-arginine + H2O→L-ornithine + urea (EC 3.5.3.1) |
| No genes |
| Agmatinase: agmatine + H2O→putrescine + urea (EC 3.5.3.11) |
| b2937 (speB) |
| Ornithine decarboxylase: L-ornithine + H+→putrescine + CO2 (EC 4.1.1.17) |
| b0693 (speF) |
| b2965 (speC) |
Links:
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