| Carboxylic acids (R-COOH) | |
|---|---|
| Starter unit | Extension unit |
| Acetyl-CoA |
Malonyl-CoA |
| Acyl transferase (AT) | Ketoacyl synthase (KS) | |||
|---|---|---|---|---|
Acetyl-[acp] |
+ |
Malonyl-[acp] |
→ |
Acetoacetyl-[acp] |
| Ketoacyl synthase (KS) | Keto reductase (KR) | Dehydratase (DH) | Enoyl reductase (ER) |
|---|---|---|---|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
...... |  |
|
 |
...... |  |
|
 |
...... |  |
|
 |
...... |  |
|
| Thio reductase (TE) |
|---|
 Palmitic acid (16:0) |