| Domain | Name | Category | Type |
| IPR001737 | Ribosomal RNA adenine methyltransferase KsgA/Erm | Family | Family |
| IPR011530 | Ribosomal RNA adenine dimethylase | Family | Family |
| IPR020596 | Ribosomal RNA adenine methylase transferase, conserved site | Site | Conserved site |
| IPR020598 | Ribosomal RNA adenine methylase transferase, N-terminal | Domain | Domain |
| IPR023165 | rRNA adenine dimethylase-like, C-terminal | Family | Homologous superfamily |
| IPR029063 | S-adenosyl-L-methionine-dependent methyltransferase | Family | Homologous superfamily |