| Sub-class of | Other |
| Notes | Ancient family with one member found in almost all eukaryotic and archaeal genomes, may have a conserved function in telomere biology as well as unconserved functions such as p53 interactions (metazoans) and budding (yeast). |
| Alignment | Protein Domain |
| Phylogenetic Tree | Protein Domain |
| Hmmlogo | Protein Domain |
| Hmm File | Protein Domain |
|
| Phylogenetic Distribution |
 | | Bud32 is found in all Eukaryotes. |
|