| H | Fumerase | e6unzH3 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| H | Fumerase_C | e6unzH2 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| G | Fumerase | e6unzG2 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| G | Fumerase_C | e6unzG3 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| F | Fumerase | e6unzF1 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| F | Fumerase_C | e6unzF3 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| E | Fumerase | e6unzE1 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| E | Fumerase_C | e6unzE3 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| D | Fumerase | e6unzD3 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| D | Fumerase_C | e6unzD2 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| C | Fumerase | e6unzC1 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| C | Fumerase_C | e6unzC3 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| B | Fumerase | e6unzB1 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| B | Fumerase_C | e6unzB2 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |
| A | Fumerase | e6unzA3 | A: a+b three layers | X: Thioredoxin-like | H: Fumarate hydratase N-terminal domain (From Topology) | T: Fumarate hydratase N-terminal domain | F: Fumerase | ECOD (1.6) |
| A | Fumerase_C | e6unzA2 | A: a/b three-layered sandwiches | X: The swivelling beta/beta/alpha domains | H: FumA C-terminal domain-like (From Topology) | T: FumA C-terminal domain-like | F: Fumerase_C | ECOD (1.6) |