Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | binding site for residue CA A 501 |
| Chain | Residue |
| A | ASP255 |
| A | ALA377 |
| A | HIS380 |
| A | GLY382 |
| A | HOH635 |
| A | HOH658 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | binding site for residue SO4 A 502 |
| Chain | Residue |
| A | HOH757 |
| B | THR429 |
| B | PHE430 |
| B | GLY431 |
| B | HOH678 |
| A | ARG250 |
| A | ARG337 |
| A | HOH625 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue CA B 501 |
| Chain | Residue |
| B | ASP255 |
| B | ALA377 |
| B | HIS380 |
| B | GLY382 |
| B | HOH711 |
| B | HOH726 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue CA C 501 |
| Chain | Residue |
| C | ASP255 |
| C | ALA377 |
| C | HIS380 |
| C | GLY382 |
| C | HOH639 |
| C | HOH703 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 C 502 |
| Chain | Residue |
| A | THR429 |
| A | PHE430 |
| A | GLY431 |
| A | HOH649 |
| C | ARG250 |
| C | ARG337 |
| C | HOH633 |
