Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | binding site for residue NHE A 301 |
| Chain | Residue |
| A | ARG66 |
| A | ASP119 |
| A | GLU162 |
| A | HOH530 |
| A | HOH532 |
| site_id | AC2 |
| Number of Residues | 13 |
| Details | binding site for residue SRT A 302 |
| Chain | Residue |
| A | VAL127 |
| A | MSE128 |
| A | ARG147 |
| A | ASP148 |
| A | GLY168 |
| A | SER169 |
| A | HOH441 |
| A | HOH481 |
| A | HOH550 |
| A | THR122 |
| A | TRP124 |
| A | GLY125 |
| A | GLY126 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue EDO A 303 |
| Chain | Residue |
| A | GLU42 |
| A | GLN43 |
| A | LEU44 |
| A | HIS74 |
| A | SER75 |
| A | HOH470 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue EDO A 304 |
| Chain | Residue |
| A | LEU58 |
| A | LEU59 |
| A | GLU60 |
| A | GLN61 |
| A | HOH402 |
