| RM020 | Fatty acid synthesis using acetyl-CoA (reversal of beta-oxidation) |
| RM021 | Fatty acid synthesis using malonyl-CoA |
| KS | Ketoacyl synthase |
| KR | Keto reductase |
| DH | Dehydratase |
| ER | Enoyl reductase |
| KS | KR | DH | ER | |||||||
| RM020 | ||||||||||
| RC00326 | RC00117 | RC00831 | RC00076 | |||||||
| + | → | → | → | → | ||||||
| acetyl-CoA | acetyl-CoA | butanoyl-CoA | ||||||||
| RC00326 | RC00029 | RC01095 | RC00052 | |||||||
| + | → | → | → | → | ||||||
| acyl-CoA (n) | acetyl-CoA | acyl-CoA (n+2) | ||||||||
| RM021 | ||||||||||
| RC02888 | RC00117 | RC00831 | RC00076 | |||||||
| + | → | → | → | → | ||||||
| acetyl-[acp] | malonyl-[acp] | butanoyl-[acp] | ||||||||
| RC02888 | RC00029 | RC01095 | RC00052 | |||||||
| + | → | → | → | → | ||||||
| acyl-[acp] (n) | malonyl-[acp] | acyl-[acp] (n+2) | ||||||||