| Domain | Name | Category | Type | 
		| IPR000337 | GPCR, family 3 | Family | Family | 
		| IPR001828 | Receptor, ligand binding region | Domain | Domain | 
		| IPR002455 | GPCR family 3, GABA-B receptor | Family | Family | 
		| IPR002457 | GPCR family 3, gamma-aminobutyric acid receptor, type B2 | Family | Family | 
		| IPR017978 | GPCR family 3, C-terminal | Domain | Domain | 
		| IPR017979 | GPCR, family 3, conserved site | Site | Conserved site | 
		| IPR028082 | Periplasmic binding protein-like I | Family | Homologous superfamily | 
		| IPR041689 | Gamma-aminobutyric acid type B receptor subunit 2, coiled-coil domain | Domain | Domain |