| Domain | Name | Category | Type |
| IPR000203 | GPS motif | Domain | Domain |
| IPR000832 | GPCR, family 2, secretin-like | Family | Family |
| IPR000884 | Thrombospondin type-1 (TSP1) repeat | Repeat | Repeat |
| IPR001879 | GPCR, family 2, extracellular hormone receptor domain | Domain | Domain |
| IPR008077 | GPCR, family 2, brain-specific angiogenesis inhibitor | Family | Family |
| IPR017981 | GPCR, family 2-like | Domain | Domain |
| IPR032471 | GAIN domain, N-terminal | Domain | Domain |
| IPR036383 | Thrombospondin type-1 (TSP1) repeat superfamily | Family | Homologous superfamily |
| IPR036445 | GPCR family 2, extracellular hormone receptor domain superfamily | Family | Homologous superfamily |
| IPR043838 | Adhesion G protein-coupled receptor B, N-terminal domain | Domain | Domain |