| H | C1-set | e4p4kH2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| H | V-set_3 | e4p4kH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_3 | ECOD (1.6) |
| D | C1-set | e4p4kD2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set | ECOD (1.6) |
| D | V-set_3 | e4p4kD1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_3 | ECOD (1.6) |
| G | DUF1968 | e4p4kG1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: DUF1968 | ECOD (1.6) |
| G | V-set_4 | e4p4kG2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_4 | ECOD (1.6) |
| C | DUF1968 | e4p4kC1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: DUF1968 | ECOD (1.6) |
| C | V-set_4 | e4p4kC2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_4 | ECOD (1.6) |
| F | C1-set_2 | e4p4kF1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_2 | ECOD (1.6) |
| F | MHC_II_beta | e4p4kF2 | A: a+b two layers | X: MHC antigen-recognition domain (From Topology) | H: MHC antigen-recognition domain (From Topology) | T: MHC antigen-recognition domain | F: MHC_II_beta | ECOD (1.6) |
| B | C1-set_2 | e4p4kB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_2 | ECOD (1.6) |
| B | MHC_II_beta | e4p4kB2 | A: a+b two layers | X: MHC antigen-recognition domain (From Topology) | H: MHC antigen-recognition domain (From Topology) | T: MHC antigen-recognition domain | F: MHC_II_beta | ECOD (1.6) |
| E | C1-set_2 | e4p4kE2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_2 | ECOD (1.6) |
| E | MHC_II_alpha | e4p4kE1 | A: a+b two layers | X: MHC antigen-recognition domain (From Topology) | H: MHC antigen-recognition domain (From Topology) | T: MHC antigen-recognition domain | F: MHC_II_alpha | ECOD (1.6) |
| A | C1-set_2 | e4p4kA2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_2 | ECOD (1.6) |
| A | MHC_II_alpha | e4p4kA1 | A: a+b two layers | X: MHC antigen-recognition domain (From Topology) | H: MHC antigen-recognition domain (From Topology) | T: MHC antigen-recognition domain | F: MHC_II_alpha | ECOD (1.6) |