Family Build (I value*) | Family ID | Annotation** | # Members |
| 1.2 | 352 | SAM_bind Sprmine_synthase | 47 |
| 2 | 22210 | SAM_bind Sprmine_synthase | 45 |
| 5 | 56504 | SAM_bind Sprmine_synthase | 36 |
| 1.1 | 101570 | SAM (and some other nucleotide) binding motif - Molecular Function: S-adenosylmethionine-dependent methyltransferase activity (GO:0008757) | 71 |
| 2 | 118681 | Spermine synthase - Molecular Function: catalytic activity (GO:0003824) SAM (and some other nucleotide) binding motif - Molecular Function: S-adenosylmethionine-dependent methyltransferase activity (GO:0008757) | 36 |
| 5 | 129206 | Spermine synthase - Molecular Function: catalytic activity (GO:0003824) SAM (and some other nucleotide) binding motif - Molecular Function: S-adenosylmethionine-dependent methyltransferase activity (GO:0008757) | 31 |
*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.