| F | TrbI | e6on1F1 | A: a/b three-layered sandwiches | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: TrbI | ECOD (v294.1) |
| E | TrbI | e6on1E1 | A: a/b three-layered sandwiches | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: TrbI | ECOD (v294.1) |
| D | TrbI | e6on1D1 | A: a/b three-layered sandwiches | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: TrbI | ECOD (v294.1) |
| C | TrbI | e6on1C1 | A: a/b three-layered sandwiches | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: TrbI | ECOD (v294.1) |
| B | TrbI | e6on1B1 | A: a/b three-layered sandwiches | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: TrbI | ECOD (v294.1) |
| A | TrbI | e6on1A1 | A: a/b three-layered sandwiches | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: TrbI | ECOD (v294.1) |