| P01909 | n/a | 4ozg | CA | C | 304 | e4ozgC2 | Immunoglobulin-like beta-sandwich | Immunoglobulin-related | Immunoglobulin/Fibronectin type III/E set domains/PapD-like | C1-set |
| P01909 | n/a | 5ksa | CA | A | 202 | e5ksaA1 | Immunoglobulin-like beta-sandwich | Immunoglobulin-related | Immunoglobulin/Fibronectin type III/E set domains/PapD-like | C1-set |
| P01909 | n/a | 5ksa | CA | A | 202 | e5ksaA2 | MHC antigen-recognition domain | MHC antigen-recognition domain | MHC antigen-recognition domain | MHC_II_alpha |
| P01909 | n/a | 7sg1 | CA | A | 203 | e7sg1A1 | Immunoglobulin-like beta-sandwich | Immunoglobulin-related | Immunoglobulin/Fibronectin type III/E set domains/PapD-like | C1-set |
| P01909 | n/a | 7sg1 | CA | A | 203 | e7sg1F1 | Immunoglobulin-like beta-sandwich | Immunoglobulin-related | Immunoglobulin/Fibronectin type III/E set domains/PapD-like | C1-set |