| A | | e5fyrA1 | A: beta barrels | X: Repetitive alpha hairpins | H: ferredoxin-like domain in periplasmic region of MacB | T: ferredoxin-like domain in periplasmic region of MacB | F: | ECOD (v294.2) |
| B | | e5fyrB1 | A: beta barrels | X: Repetitive alpha hairpins | H: ferredoxin-like domain in periplasmic region of MacB | T: ferredoxin-like domain in periplasmic region of MacB | F: | ECOD (v294.2) |
| C | | e5fyrC1 | A: beta barrels | X: Repetitive alpha hairpins | H: ferredoxin-like domain in periplasmic region of MacB | T: ferredoxin-like domain in periplasmic region of MacB | F: | ECOD (v294.2) |
| D | | e5fyrD1 | A: beta barrels | X: Repetitive alpha hairpins | H: ferredoxin-like domain in periplasmic region of MacB | T: ferredoxin-like domain in periplasmic region of MacB | F: | ECOD (v294.2) |