| Metal site id | Bound amino acids | Bound ligands IDs |
|---|---|---|
| 1Z9N-FE-1 | H2 | HEM A.1001 HIS A.64 HIS B.124 |
| 2AQN-CU-1 | E2 | GLU A.73 GLU B.73 |
| 2AQN-CU-2 | E2 | GLU A.73 GLU B.73 |
| 2AQN-CU-3 | H2 | HIS C.133 |
| 2AQP-CU-2 | H2 | HIS A.148 HIS B.148 |
| 2AQQ-CU-2 | H2 | HIS A.133 HIS B.133 |
| 2AQQ-CU-3 | E2 | GLU C.73 |
| 2AQR-CU-1 | E2 | GLU A.73 GLU B.73 |
| 2AQS-CU-1 | E2 | GLU A.73 GLU B.73 |
| 2AQT-CU-3 | E2 | GLU A.73 GLU B.73 |