| H | Sigma70_r2,Sigma70_ner | e4k1pH1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |
| G | Sigma70_r2,Sigma70_ner | e4k1pG1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |
| F | Sigma70_r2,Sigma70_ner | e4k1pF1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |
| E | Sigma70_r2,Sigma70_ner | e4k1pE1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |
| D | Sigma70_r2,Sigma70_ner | e4k1pD1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |
| C | Sigma70_r2,Sigma70_ner | e4k1pC1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |
| B | Bacillus_HBL | e4k1pB1 | A: a/b three-layered sandwiches | X: RING/U-box-like | H: RING/U-box-like | T: IBR domain | F: Bacillus_HBL | ECOD (v294.1) |
| A | Sigma70_r2,Sigma70_ner | e4k1pA1 | A: a/b three-layered sandwiches | X: TIM beta/alpha-barrel | H: TIM barrels | T: TIM barrels | F: Sigma70_r2,Sigma70_ner | ECOD (v294.1) |