Family Build (I value*) | Family ID | Annotation** | # Members |
| 1.2 | 659 | Tetrpept_transpt Oligpept_transpt | 28 |
| 2 | 22497 | Tetrpept_transpt Oligpept_transpt | 27 |
| 5 | 56705 | Tetrpept_transpt Oligpept_transpt | 25 |
| 1.1 | 101947 | Oligopeptide transporter OPT superfamily | 27 |
| 2 | 118895 | Oligopeptide transporter OPT superfamily | 26 |
| 5 | 129317 | Oligopeptide transporter OPT superfamily | 25 |
*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.