| Metal site id | Bound amino acids | Bound ligands IDs |
|---|---|---|
| 2CEI-ZN-25 | H4 | HOH A.2137 |
| 2CEI-ZN-28 | H4 | HOH A.2137 |
| 3ES3-AU-1 | H4 | HIS A.173 |
| 3ES3-AU-2 | H4 | HIS A.173 |
| 3ES3-AU-3 | H4 | HIS A.173 |
| 3ES3-AU-4 | H4 | HIS A.173 |
| 3ES3-AU-5 | H4 | HIS A.173 |
| 3ES3-AU-6 | H4 | HIS A.173 |
| 7KE3-FE-12 | H4 | HIS F.173 HIS G.173 HIS I.173 HIS L.173 |
| 7KE3-FE-3 | H4 | HIS B.173 HIS D.173 HIS H.173 HIS J.173 |
| 7KE3-FE-6 | H4 | HIS C.173 HIS K.173 |
| 7KE3-FE-9 | H4 | HIS A.173 HIS E.173 |
| 7RRP-ZN-12 | H4 | HIS H.173 HIS N.173 HIS Q.173 HIS W.173 |
| 7RRP-ZN-4 | H4 | HIS B.173 HIS L.173 HIS R.173 HIS V.173 |
| 7VD8-ZN-3 | H4 | HIS B.173 HIS L.173 HIS R.173 HIS V.173 |
| 8EN7-FE-1 | H4 | HIS A.173 HIS B.173 HIS C.173 HIS H.173 |
| 8EN7-FE-2 | H4 | HIS D.173 HIS E.173 HIS M.173 HIS N.173 |
| 8EN7-FE-3 | H4 | HIS F.173 HIS G.173 HIS V.173 HIS X.173 |
| 8EN7-FE-4 | H4 | HIS I.173 HIS K.173 HIS O.173 HIS W.173 |
| 8EN7-FE-5 | H4 | HIS J.173 HIS L.173 HIS P.173 HIS Q.173 |
| 8EN7-FE-6 | H4 | HIS R.173 HIS S.173 HIS T.173 HIS U.173 |