| D | DUF4154 | e4ynaD1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: YfiR | F: DUF4154 | ECOD (1.6) |
| C | DUF4154 | e4ynaC1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: YfiR | F: DUF4154 | ECOD (1.6) |
| B | DUF4154 | e4ynaB1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: YfiR | F: DUF4154 | ECOD (1.6) |
| A | DUF4154 | e4ynaA1 | A: a/b three-layered sandwiches | X: Flavodoxin-like | H: Class I glutamine amidotransferase-like | T: YfiR | F: DUF4154 | ECOD (1.6) |