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| Iron site | Location | B-factor range (Å2) | Color in Figure 12 |
|---|---|---|---|
| Feheme | heme | 26-28 | red |
| Fe4f-1 | 4-fold pore | 18-25 | red |
| Fe4f-2 | 4-fold pore | 81-105 | yellow |
| Fe3f | 3-fold pore | 37-40 | orange |
| FeB1, FeB2 | B pore | 45-63 | orange |
| Fe1, Fe2 | fc1 | 18-30 | red |
| Feb-fc | below fc | 56-81 | yellow |
fc: ferroxidase center
