| F | CBS | e5txtF3 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: CBS-domain | T: CBS-domain | F: CBS | ECOD (v294.1) |
| F | Lactamase_B | e5txtF4 | A: a/b three-layered sandwiches | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: Lactamase_B | ECOD (v294.1) |
| D [auth C] | CBS | e5txtC1 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: CBS-domain | T: CBS-domain | F: CBS | ECOD (v294.1) |
| D [auth C] | Lactamase_B | e5txtC3 | A: a/b three-layered sandwiches | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: Lactamase_B | ECOD (v294.1) |
| B | CBS | e5txtB2 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: CBS-domain | T: CBS-domain | F: CBS | ECOD (v294.1) |
| B | Lactamase_B | e5txtB4 | A: a/b three-layered sandwiches | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: Lactamase_B | ECOD (v294.1) |
| E | CBS | e5txtE3 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: CBS-domain | T: CBS-domain | F: CBS | ECOD (v294.1) |
| E | Lactamase_B | e5txtE4 | A: a/b three-layered sandwiches | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: Lactamase_B | ECOD (v294.1) |
| C [auth D] | CBS | e5txtD2 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: CBS-domain | T: CBS-domain | F: CBS | ECOD (v294.1) |
| C [auth D] | Lactamase_B | e5txtD4 | A: a/b three-layered sandwiches | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: Lactamase_B | ECOD (v294.1) |
| A | CBS | e5txtA3 | A: a/b three-layered sandwiches | X: PriB N-terminal domain-like | H: CBS-domain | T: CBS-domain | F: CBS | ECOD (v294.1) |
| A | Lactamase_B | e5txtA4 | A: a/b three-layered sandwiches | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: Lactamase_B | ECOD (v294.1) |