| Domain | Name | Category | Type |
| IPR001102 | Transglutaminase, N-terminal | Domain | Domain |
| IPR002931 | Transglutaminase-like | Domain | Domain |
| IPR008958 | Transglutaminase, C-terminal | Domain | Domain |
| IPR013783 | Immunoglobulin-like fold | Family | Homologous superfamily |
| IPR013808 | Transglutaminase, active site | Site | Active site |
| IPR014756 | Immunoglobulin E-set | Family | Homologous superfamily |
| IPR023608 | Protein-glutamine gamma-glutamyltransferase, animal | Family | Family |
| IPR036238 | Transglutaminase, C-terminal domain superfamily | Family | Homologous superfamily |
| IPR036985 | Transglutaminase-like superfamily | Family | Homologous superfamily |
| IPR038765 | Papain-like cysteine peptidase superfamily | Family | Homologous superfamily |