| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| IPR050208 | Antigen-presenting and immune regulatory MHC class I-related | Family |
| IPR037055 | MHC class I-like antigen recognition-like superfamily | Homologous Superfamily |
| IPR003597 | Immunoglobulin C1-set | Domain |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR011161 | MHC class I-like antigen recognition-like | Domain |
| IPR011162 | MHC classes I/II-like antigen recognition protein | Homologous Superfamily |
| IPR007110 | Immunoglobulin-like domain | Domain |
| IPR001039 | MHC class I alpha chain, alpha1 alpha2 domains | Domain |
| IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| IPR050160 | Major Histocompatibility Complex/Immunoglobulin | Family |
| IPR003597 | Immunoglobulin C1-set | Domain |
| IPR015707 | Beta-2-Microglobulin | Family |
| IPR003006 | Immunoglobulin/major histocompatibility complex, conserved site | Conserved Site |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR007110 | Immunoglobulin-like domain | Domain |
| IPR001591 | Influenza RNA-dependent RNA polymerase subunit PB2 | Family |
| IPR049106 | Influenza RNA polymerase PB2, N-terminal region | Domain |
| IPR049115 | Influenza RNA polymerase PB2, C-terminal domain | Domain |
| IPR049110 | Influenza RNA polymerase PB2, second domain | Domain |
| IPR049114 | Influenza RNA polymerase PB2, sixth domain | Domain |
| IPR049113 | Polymerase basic protein 2, helical domain | Domain |
| IPR049111 | Influenza RNA polymerase PB2, middle domain | Domain |
| IPR048298 | Influenza RNA polymerase PB2, CAP binding domain | Domain |
| IPR037258 | PB2, C-terminal | Homologous Superfamily |