Family Build (I value*) | Family ID | Annotation** | # Members |
| 1.2 | 2711 | Cytidylyl_trans NTP_transferase ISPD_synthase Cons_hypoth454 | 6 |
| 2 | 25275 | Cytidylyl_trans NTP_transferase ISPD_synthase Cons_hypoth454 | 6 |
| 5 | 59282 | Cytidylyl_trans NTP_transferase ISPD_synthase Cons_hypoth454 | 6 |
| 1.1 | 103821 | 4-diphosphocytidyl-2C-methyl-D-erythritol synthase - Biological Process: isoprenoid biosynthesis (GO:0008299) | 5 |
| 2 | 122249 | 4-diphosphocytidyl-2C-methyl-D-erythritol synthase - Biological Process: isoprenoid biosynthesis (GO:0008299) | 5 |
| 5 | 132452 | 4-diphosphocytidyl-2C-methyl-D-erythritol synthase - Biological Process: isoprenoid biosynthesis (GO:0008299) | 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.