| P29017 | DB03309 | 7mx4 | NHE | A | 305 | e7mx4A1 | MHC antigen-recognition domain | MHC antigen-recognition domain | MHC antigen-recognition domain | MHC_I_3 |
| P29017 | DB03309 | 7mx4 | NHE | A | 305 | e7mx4A2 | Immunoglobulin-like beta-sandwich | Immunoglobulin-related | Immunoglobulin/Fibronectin type III/E set domains/PapD-like | C1-set |
| P29017 | DB03309 | 7mxf | NHE | A | 302 | e7mxfA1 | MHC antigen-recognition domain | MHC antigen-recognition domain | MHC antigen-recognition domain | MHC_I_3 |
| P29017 | DB03309 | 7mxf | NHE | A | 302 | e7mxfA2 | Immunoglobulin-like beta-sandwich | Immunoglobulin-related | Immunoglobulin/Fibronectin type III/E set domains/PapD-like | C1-set |