Family Build (I value*) | Family ID | Annotation** | # Members |
| 1.2 | 457 | Cystatin Cystatin_C/M | 38 |
| 2 | 22303 | Cystatin Cystatin_C/M | 36 |
| 5 | 63259 | | 3 |
| 1.1 | 101863 | Proteinase inhibitor I25A and I25B type 2 and phytocystatins - Molecular Function: cysteine protease inhibitor activity (GO:0004869) Proteinase inhibitor I25 cystatin - Molecular Function: cysteine protease inhibitor activity (GO:0004869) | 32 |
| 2 | 118903 | Proteinase inhibitor I25 cystatin - Molecular Function: cysteine protease inhibitor activity (GO:0004869) Proteinase inhibitor I25A and I25B type 2 and phytocystatins - Molecular Function: cysteine protease inhibitor activity (GO:0004869) | 26 |
| 5 | 133092 | | 5 |
*i value: controls inflation, a process to dissipate family clusters. At high i value, genes tend to be separated into different families.
**Annotation: the most common InterPro annotation(s) of the Arabidopsis members in the family.