| F | Ribosomal_S4e | e4rk1F1 | A: alpha arrays | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Ribosomal_S4e | ECOD (v295.2) |
| F | Nop | e4rk1F2 | A: alpha arrays | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Nop | ECOD (v295.2) |
| E | Ribosomal_S4e | e4rk1E1 | A: alpha arrays | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Ribosomal_S4e | ECOD (v295.2) |
| E | Nop | e4rk1E2 | A: alpha arrays | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Nop | ECOD (v295.2) |
| D | Ribosomal_S4e | e4rk1D1 | A: alpha arrays | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Ribosomal_S4e | ECOD (v295.2) |
| D | Nop | e4rk1D2 | A: alpha arrays | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Nop | ECOD (v295.2) |
| C | Ribosomal_S4e | e4rk1C1 | A: alpha arrays | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Ribosomal_S4e | ECOD (v295.2) |
| C | Nop | e4rk1C2 | A: alpha arrays | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Nop | ECOD (v295.2) |
| B | Ribosomal_S4e | e4rk1B1 | A: alpha arrays | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Ribosomal_S4e | ECOD (v295.2) |
| B | Nop | e4rk1B2 | A: alpha arrays | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Nop | ECOD (v295.2) |
| A | Ribosomal_S4e | e4rk1A1 | A: alpha arrays | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Ribosomal_S4e | ECOD (v295.2) |
| A | Nop | e4rk1A2 | A: alpha arrays | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: Nop | ECOD (v295.2) |