Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue CU A 301 |
| Chain | Residue |
| A | LYS3 |
| B | HIS21 |
| B | HOH419 |
| B | HOH420 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue CU A 302 |
| Chain | Residue |
| A | HIS21 |
| A | HIS26 |
| A | HOH401 |
| B | GLU6 |
| B | HOH426 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue CU A 303 |
| Chain | Residue |
| A | HIS26 |
| A | HOH432 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue NHE A 304 |
| Chain | Residue |
| A | LEU221 |
| A | HOH501 |
| A | HOH514 |
| A | HOH532 |
| B | GLU34 |
| B | LYS41 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 305 |
| Chain | Residue |
| A | LYS162 |
| A | GLN184 |
| A | HOH408 |
| B | ASN164 |
| B | PHE165 |
| B | THR166 |
| B | ASP180 |
| B | TYR182 |
| site_id | AC6 |
| Number of Residues | 9 |
| Details | binding site for residue GOL A 306 |
| Chain | Residue |
| A | GLU142 |
| A | ASN144 |
| A | GLN157 |
| A | ASN170 |
| A | HOH415 |
| A | HOH491 |
| B | SER147 |
| B | HIS148 |
| B | LYS149 |
| site_id | AC7 |
| Number of Residues | 10 |
| Details | binding site for residue NHE B 301 |
| Chain | Residue |
| A | TYR99 |
| A | LYS101 |
| A | ASP102 |
| A | HOH404 |
| B | THR97 |
| B | LYS162 |
| B | TYR182 |
| B | GLN184 |
| B | GOL302 |
| B | HOH413 |
| site_id | AC8 |
| Number of Residues | 8 |
| Details | binding site for residue GOL B 302 |
| Chain | Residue |
| A | TYR99 |
| A | ASP180 |
| A | TYR182 |
| B | LYS162 |
| B | ALA163 |
| B | GLN183 |
| B | NHE301 |
| B | HOH406 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | binding site for residue GOL B 303 |
| Chain | Residue |
| B | LYS101 |
| B | ASP102 |
| B | VAL176 |
| B | GLN177 |
| B | LEU178 |
| B | HOH463 |
| site_id | AD1 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 304 |
| Chain | Residue |
| B | ARG80 |
| B | LEU195 |
| B | HOH415 |
| B | HOH520 |
