| 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 |
| IPR000071 | Immunodeficiency lentiviral matrix, N-terminal | Domain |
| IPR045345 | Retroviral nucleocapsid Gag protein p24, C-terminal domain | Domain |
| IPR036875 | Zinc finger, CCHC-type superfamily | Homologous Superfamily |
| IPR050195 | Primate lentivirus group Gag polyprotein-like | Domain |
| IPR001878 | Zinc finger, CCHC-type | Domain |
| IPR008919 | Retrovirus capsid, N-terminal | Homologous Superfamily |
| IPR010999 | Retroviral matrix protein | Homologous Superfamily |
| IPR012344 | Matrix protein, lentiviral and alpha-retroviral, N-terminal | Homologous Superfamily |
| IPR014817 | Gag protein p6 | Domain |
| IPR008916 | Retrovirus capsid, C-terminal | Homologous Superfamily |
| IPR006123 | Staphylococcal/Streptococcal toxin, beta-grasp domain | Domain |
| IPR006177 | Staphylococcal/streptococcal toxin, bacterial | Family |
| IPR006126 | Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin, conserved site | Conserved Site |
| IPR016091 | Superantigen toxin, C-terminal | Homologous Superfamily |
| IPR006173 | Staphylococcal/Streptococcal toxin, OB-fold | Domain |
| IPR013307 | Superantigen, staphylococcal/streptococcal toxin, bacterial | Family |
| IPR008992 | Enterotoxin | Homologous Superfamily |
| 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 |