Family Build (I value*) | Family ID | Annotation** | # Members |
| 1.2 | 52 | PTR2 | 228 |
| 2 | 21993 | PTR2 | 221 |
| 5 | 56264 | PTR2 | 217 |
| 1.1 | 101423 | TGF-beta receptor type I/II extracellular region - Molecular Function: transporter activity (GO:0005215) - Biological Process: oligopeptide transport (GO:0006857) - Cellular Component: membrane (GO:0016020) | 205 |
| 2 | 118430 | TGF-beta receptor type I/II extracellular region - Molecular Function: transporter activity (GO:0005215) - Biological Process: oligopeptide transport (GO:0006857) - Cellular Component: membrane (GO:0016020) | 197 |
| 5 | 128936 | TGF-beta receptor type I/II extracellular region - Molecular Function: transporter activity (GO:0005215) - Biological Process: oligopeptide transport (GO:0006857) - Cellular Component: membrane (GO:0016020) | 195 |
*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.