MetaCyc Pathway: ethene biosynthesis III (microbes) in Escherichia coli BW25113
| Reactions and Genes | a-Ketoglutaric (C) |
|---|---|
| remove | |
| Ferric-chelate reductase (in reverse): 2 a siderophore-bound Fe(III) + NADH→2 a siderophore-bound Fe(II) + NAD+ + H+ (EC 1.16.1.7) | |
| No genes | |
| L-methionine + a 2-oxo carboxylate→4-(methylsulfanyl)-2-oxobutanoate + a proteinogenic amino acid (EC 2.6.1.88) | |
| b0600 (ybdL) | +0.4 |
| a siderophore-bound Fe(II) + H+→Fe2+ + a siderophore (spontaneous) (EC 1.16.1.10; 1.16.1.7; 1.16.1.9) | |
| No genes | |
| 2 Fe2+ + 2 dioxygen→2 superoxide + 2 Fe3+ (spontaneous) | |
| No genes | |
| Superoxide dismutase: 2 superoxide + 2 H+→hydrogen peroxide + dioxygen (EC 1.15.1.1) | |
| b1646 (sodC) | N.D. |
| b1656 (sodB) | -0.1 |
| b3908 (sodA) | -1.3 |
| Fe2+ + hydrogen peroxide→hydroxyl radical + Fe3+ + OH- (spontaneous) | |
| No genes | |
| hydroxyl radical + 4-(methylsulfanyl)-2-oxobutanoate→ethene + 2 CO2 + methanethiol (spontaneous) | |
| No genes | |
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