| P30820 | n/a | 1yux | FE2 | A | 302 | e1yuxA2 | Ferritin/Heme oxygenase/4-helical cytokines | Ferritin/Heme oxygenase | Ferritin | Rubrerythrin |
| P30820 | n/a | 1yux | FE2 | B | 302 | e1yuxB2 | Ferritin/Heme oxygenase/4-helical cytokines | Ferritin/Heme oxygenase | Ferritin | Rubrerythrin |
| P30820 | n/a | 1yuz | FE2 | A | 302 | e1yuzA1 | Ferritin/Heme oxygenase/4-helical cytokines | Ferritin/Heme oxygenase | Ferritin | Rubrerythrin |
| P30820 | n/a | 1yuz | FE2 | B | 302 | e1yuzB2 | Ferritin/Heme oxygenase/4-helical cytokines | Ferritin/Heme oxygenase | Ferritin | Rubrerythrin |
| P30820 | n/a | 1yv1 | FE2 | A | 303 | e1yv1A1 | Rubredoxin-like | Rubredoxin-related | Rubredoxin-related | RUBY_RBDX |
| P30820 | n/a | 1yv1 | FE2 | B | 303 | e1yv1B1 | Rubredoxin-like | Rubredoxin-related | Rubredoxin-related | RUBY_RBDX |