| Metal site id | Bound amino acids | Bound ligands IDs |
|---|---|---|
| 4NCZ-CA-1 | E4 | GLU A.33 GLU A.75 GLU C.33 GLU C.75 |
| 4NCZ-CA-2 | E4 | GLU A.33 GLU A.75 GLU C.33 GLU C.75 |
| 4NCZ-CA-3 | E4 | GLU A.33 GLU A.75 GLU C.33 GLU C.75 |
| 4NCZ-CA-4 | E4 | GLU A.33 GLU A.75 GLU C.33 GLU C.75 |
| 4NCZ-CA-5 | E4 | GLU B.33 GLU B.75 |
| 4NCZ-CA-6 | E4 | GLU B.33 GLU B.75 |