Data from GenBank (1997)
Potato
| Form 1 | Form 2 | Form 3 | Form 4 | |
| ADP-glc pyrophosphorylases | Small subunit (Bt2) | Large Subunit (Sh2) | - | - |
| Bound starch synthases | GBSSI (Waxy) | - | - | - |
| Branching enzymes | BEI | BEIIa | BEIIb | - |
| Starch synthases | SSI | SSII | SSIII | SSIV |
| Amylogenin | - | - | - | - |
| Debranching enzymes | - | - | - | - |
| Disproportionating enzymes | DisProp | - | - | - |