| C [auth B] | IPR044378 | Spike (S) protein S1 subunit, receptor-binding domain, HKU4-like | Domain |
| C [auth B] | IPR018548 | Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus | Domain |
| C [auth B] | IPR032500 | Spike glycoprotein S1, N-terminal domain, betacoronavirus-like | Domain |
| C [auth B] | IPR042578 | Spike glycoprotein, betacoronavirus | Family |
| C [auth B] | IPR036326 | Spike S1 subunit, receptor binding domain superfamily, betacoronavirus | Homologous Superfamily |
| C [auth B] | IPR043002 | Spike glycoprotein, N-terminal domain superfamily | Homologous Superfamily |
| C [auth B] | IPR044874 | Spike glycoprotein S2, coronavirus, heptad repeat 2 | Domain |
| C [auth B] | IPR044337 | Spike (S) protein S1 subunit, N-terminal domain, MERS-CoV-like | Domain |
| C [auth B] | IPR043614 | Spike glycoprotein S2, coronavirus, C-terminal | Domain |
| C [auth B] | IPR044873 | Spike glycoprotein S2, coronavirus, heptad repeat 1 | Domain |
| C [auth B] | IPR043473 | Spike glycoprotein S2 superfamily, coronavirus | Homologous Superfamily |
| C [auth B] | IPR002552 | Spike glycoprotein S2, coronavirus | Domain |
| C [auth B] | IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| C [auth B] | IPR050380 | Immune Recognition and Response Modulators | Family |
| C [auth B] | IPR003597 | Immunoglobulin C1-set | Domain |
| C [auth B] | IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| C [auth B] | IPR007110 | Immunoglobulin-like domain | Domain |
| C [auth B] | IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
A, B [auth C] | IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
A, B [auth C] | IPR050380 | Immune Recognition and Response Modulators | Family |
A, B [auth C] | IPR003597 | Immunoglobulin C1-set | Domain |
A, B [auth C] | IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
A, B [auth C] | IPR007110 | Immunoglobulin-like domain | Domain |
A, B [auth C] | IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
A, B [auth C] | IPR001375 | Peptidase S9, prolyl oligopeptidase, catalytic domain | Domain |
A, B [auth C] | IPR050278 | Serine protease S9B/DPPIV | Family |
A, B [auth C] | IPR029058 | Alpha/Beta hydrolase fold | Homologous Superfamily |
A, B [auth C] | IPR002471 | Peptidase S9, serine active site | Active Site |
A, B [auth C] | IPR002469 | Dipeptidylpeptidase IV, N-terminal domain | Domain |