Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 301 |
| Chain | Residue |
| A | LYS45 |
| A | LYS51 |
| A | MPO201 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 302 |
| Chain | Residue |
| A | ARG29 |
| A | ARG29 |
| A | VAL110 |
| A | ASN111 |
| A | ASN111 |
| A | GLN112 |
| site_id | AC3 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE MPO A 201 |
| Chain | Residue |
| A | GLY42 |
| A | ALA43 |
| A | GLN44 |
| A | LYS45 |
| A | LYS51 |
| A | GLU52 |
| A | PHE55 |
| A | TYR56 |
| A | SO4301 |
| A | HOH341 |
| B | TRP26 |
| site_id | AC4 |
| Number of Residues | 26 |
| Details | BINDING SITE FOR CHAIN B OF CYCLIC 8-MER PEPTIDE |
| Chain | Residue |
| A | LYS39 |
| A | VAL41 |
| A | GLY42 |
| A | GLN44 |
| A | LYS51 |
| A | LEU54 |
| A | PHE55 |
| A | GLY58 |
| A | GLN59 |
| A | ILE61 |
| A | MET62 |
| A | TYR67 |
| A | GLN72 |
| A | PHE86 |
| A | VAL93 |
| A | ILE99 |
| A | MPO201 |
| A | HOH321 |
| A | HOH330 |
| B | HOH108 |
| B | HOH113 |
| B | HOH136 |
| B | HOH143 |
| B | HOH144 |
| B | HOH153 |
| B | HOH170 |
