Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | binding site for residue NHE A 201 |
| Chain | Residue |
| A | ALA85 |
| A | SER86 |
| A | ASN89 |
| A | ALA113 |
| A | PRO114 |
| A | PHE115 |
| A | HOH356 |
| D | HOH395 |
| D | HOH433 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | binding site for residue NHE B 201 |
| Chain | Residue |
| B | ILE83 |
| B | ARG84 |
| B | ALA85 |
| B | SER86 |
| B | ASN89 |
| B | ILE109 |
| B | ALA113 |
| B | PRO114 |
| B | PHE115 |
| B | HOH313 |
| B | HOH348 |
| B | HOH385 |
| B | HOH431 |
| B | HOH485 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue NHE C 201 |
| Chain | Residue |
| C | ALA85 |
| C | SER86 |
| C | ASN89 |
| C | ALA113 |
| C | PRO114 |
| C | PHE115 |
| C | HOH328 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | binding site for residue NHE D 201 |
| Chain | Residue |
| D | ALA85 |
| D | SER86 |
| D | ASN89 |
| D | ILE109 |
| D | ALA113 |
| D | PRO114 |
| D | PHE115 |
| D | PHE117 |
| D | HOH343 |
