Asymmetric Unit (8, 8)
| No. | Name | Evidence | Residues | Description |
| 1 | AC1 | SOFTWARE | CYS A:176 , HIS A:179 , CYS A:238 , CYS A:242 | BINDING SITE FOR RESIDUE ZN A1290 |
| 2 | AC2 | SOFTWARE | ASP A:268 , HOH A:2020 , HOH A:2041 , HOH A:2047 , HOH A:2183 , HOH A:2184 , HOH A:2186 | BINDING SITE FOR RESIDUE CA A1291 |
| 3 | AC3 | SOFTWARE | CYS B:176 , HIS B:179 , CYS B:238 , CYS B:242 | BINDING SITE FOR RESIDUE ZN B1290 |
| 4 | AC4 | SOFTWARE | ASP B:268 , HOH B:2024 , HOH B:2049 , HOH B:2050 , HOH B:2177 , HOH B:2178 , HOH B:2180 | BINDING SITE FOR RESIDUE CA B1291 |
| 5 | AC5 | SOFTWARE | CYS C:176 , HIS C:179 , CYS C:238 , CYS C:242 | BINDING SITE FOR RESIDUE ZN C1290 |
| 6 | AC6 | SOFTWARE | ASP C:268 , HOH C:2016 , HOH C:2042 , HOH C:2043 , HOH C:2167 , HOH C:2168 , HOH C:2171 | BINDING SITE FOR RESIDUE CA C1291 |
| 7 | AC7 | SOFTWARE | CYS D:176 , HIS D:179 , CYS D:238 , CYS D:242 | BINDING SITE FOR RESIDUE ZN D1290 |
| 8 | AC8 | SOFTWARE | ASP D:268 , HOH D:2019 , HOH D:2038 , HOH D:2158 , HOH D:2159 , HOH D:2162 | BINDING SITE FOR RESIDUE CA D1291 |
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