| E [auth R] | IPR000332 | Beta 2 adrenoceptor | Family |
| E [auth R] | IPR000276 | G protein-coupled receptor, rhodopsin-like | Family |
| E [auth R] | IPR002233 | Adrenoceptor family | Family |
| E [auth R] | IPR017452 | GPCR, rhodopsin-like, 7TM | Domain |
| D [auth G] | IPR015898 | G-protein, gamma subunit-like domain | Domain |
| D [auth G] | IPR036284 | G-protein gamma-like domain superfamily | Homologous Superfamily |
| D [auth G] | IPR001770 | G-protein, gamma subunit | Family |
| IPR000698 | Arrestin | Family |
| IPR014753 | Arrestin, N-terminal | Homologous Superfamily |
| IPR014756 | Immunoglobulin E-set | Homologous Superfamily |
| IPR011021 | Arrestin-like, N-terminal | Domain |
| IPR014752 | Arrestin-like, C-terminal | Homologous Superfamily |
| IPR017864 | Arrestin, conserved site | Conserved Site |
| IPR011022 | Arrestin C-terminal-like domain | Domain |
| IPR019775 | WD40 repeat, conserved site | Conserved Site |
| IPR020472 | PAC1/LIS1-like, WD-40 repeat | Repeat |
| IPR001632 | G-protein beta subunit-like, WD40 repeats | Domain |
| IPR015943 | WD40/YVTN repeat-like-containing domain superfamily | Homologous Superfamily |
| IPR016346 | G-protein subunit beta 1-5 | Family |
| IPR036322 | WD40-repeat-containing domain superfamily | Homologous Superfamily |
| IPR001680 | WD40 repeat | Repeat |
| IPR001019 | Guanine nucleotide binding protein (G-protein), alpha subunit | Family |
| IPR000367 | G-protein alpha subunit, group S | Family |
| IPR011025 | G protein alpha subunit, helical insertion | Homologous Superfamily |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |