Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE SAH A1645 |
| Chain | Residue |
| A | ARG122 |
| A | LEU409 |
| A | PHE410 |
| A | TYR411 |
| A | ASN414 |
| A | CYS416 |
| A | ASN417 |
| A | GUN1648 |
| A | HOH2010 |
| A | HOH2016 |
| A | GLY134 |
| A | GLU136 |
| A | GLU138 |
| A | MET153 |
| A | LYS395 |
| A | ASN396 |
| A | GLY397 |
| A | LEU398 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE SAH A1646 |
| Chain | Residue |
| A | LEU179 |
| A | TYR195 |
| A | ILE196 |
| A | GLY197 |
| A | CYS198 |
| A | ASP200 |
| A | THR203 |
| A | ASP224 |
| A | MET241 |
| A | VAL242 |
| A | ASP265 |
| A | VAL266 |
| A | SER267 |
| A | HOH2090 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE GUN A1647 |
| Chain | Residue |
| A | ASN141 |
| A | ASP184 |
| A | TYR185 |
| A | ARG214 |
| A | LYS383 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GUN A1648 |
| Chain | Residue |
| A | ARG114 |
| A | PHE117 |
| A | GLY118 |
| A | ARG122 |
| A | TYR446 |
| A | TRP495 |
| A | SAH1645 |
| A | HOH2010 |
