Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 G 301 |
| Chain | Residue |
| A | ARG139 |
| A | HOH341 |
| C | ASN137 |
| G | ARG139 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL B 300 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 301 |
| Chain | Residue |
| B | ASN137 |
| B | ARG139 |
| E | ARG139 |
| E | ASN141 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 302 |
| Chain | Residue |
| B | ARG139 |
| B | GLU140 |
| B | ASN141 |
| D | LYS179 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 303 |
| Chain | Residue |
| A | THR156 |
| B | LYS39 |
| B | LYS199 |
| B | HOH384 |
| G | ARG107 |
| site_id | AC6 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL C 300 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 301 |
| Chain | Residue |
| A | ARG139 |
| A | ASN141 |
| A | HOH313 |
| A | HOH360 |
| C | ASN137 |
| C | ARG139 |
| site_id | AC8 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 D 301 |
| Chain | Residue |
| D | ARG139 |
| D | GLU140 |
| D | ASN141 |
| D | HOH337 |
| E | ASN137 |
| E | ARG139 |
| E | LEU142 |
| E | HOH342 |
| site_id | AC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 302 |
| Chain | Residue |
| B | ASN137 |
| D | ARG139 |
| E | ARG139 |
| site_id | BC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 G 217 |
| Chain | Residue |
| A | ASN137 |
| A | ARG139 |
| A | HOH364 |
| G | ARG139 |
| G | GLU140 |
| G | ASN141 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 C 302 |
| Chain | Residue |
| C | ARG139 |
| C | GLU140 |
| C | ASN141 |
| G | LYS179 |
| site_id | BC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 J 301 |
| Chain | Residue |
| J | ARG107 |
| K | LYS39 |
| K | LYS199 |
| L | THR156 |