Table 1.
Protein families of SSPs
| Protein family | Total | Medium |
|---|---|---|
| Cupin/germin (including PR‐15 and PR‐16) | 22 | 9 |
| Protease inhibitor/seed storage/LTP family protein (including PR‐14) | 18 | 4 |
| Plastocyanin‐like domain‐containing protein | 11 | 5 |
| Glycine‐rich cell wall protein | 8 | 0 |
| Thaumatin family domain‐containing protein (including PR‐5) | 7 | 3 |
| Dirigent family protein | 6 | 2 |
| Rapid alkalinization factor (RALF) family protein | 5 | 2 |
| SCP‐like extracellular protein (including PR‐1) | 5 | 0 |
| Cysteine proteinase inhibitor | 4 | 1 |
| Barwin domain‐containing protein (including PR‐4) | 4 | 0 |
| Bowman‐Birk‐type bran trypsin inhibitor | 4 | 0 |
| Early light‐induced protein | 3 | 0 |
| Thionin family protein (including PR‐13) | 3 | 0 |
| Pollen Ole e I allergen and extensin family protein | 3 | 1 |
| Gibberellin‐regulated GASA/GAST/Snakin family | 2 | 1 |
| Glycine‐rich protein family protein | 2 | 0 |
| Peptidyl‐prolyl cis–trans isomerase | 2 | 1 |
| Ribonuclease T2 family domain‐containing protein | 2 | 1 |
| Phytosulfokine (PSK) | 1 | 0 |