| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| IPR050160 | Major Histocompatibility Complex/Immunoglobulin | Family |
| IPR003597 | Immunoglobulin C1-set | Domain |
| IPR011162 | MHC classes I/II-like antigen recognition protein | Homologous Superfamily |
| IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
| IPR014745 | MHC class II, alpha/beta chain, N-terminal | Homologous Superfamily |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR007110 | Immunoglobulin-like domain | Domain |
| IPR001003 | MHC class II, alpha chain, N-terminal | Domain |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| IPR011162 | MHC classes I/II-like antigen recognition protein | Homologous Superfamily |
| IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
| IPR014745 | MHC class II, alpha/beta chain, N-terminal | Homologous Superfamily |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR007110 | Immunoglobulin-like domain | Domain |
| IPR050160 | Major Histocompatibility Complex/Immunoglobulin | Family |
| IPR003597 | Immunoglobulin C1-set | Domain |
| IPR000353 | MHC class II, beta chain, N-terminal | Domain |
| IPR001364 | Haemagglutinin, influenzavirus A/B | Family |
| IPR008980 | Viral capsid/haemagglutinin protein | Homologous Superfamily |
| IPR000149 | Haemagglutinin, influenzavirus A | Family |
| IPR013828 | Haemagglutinin, HA1 chain, alpha/beta domain superfamily | Homologous Superfamily |