Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue PEG A 301 |
| Chain | Residue |
| A | ASP94 |
| A | GLY96 |
| A | ALA127 |
| A | HIS128 |
| site_id | AC2 |
| Number of Residues | 17 |
| Details | binding site for residue SAM A 302 |
| Chain | Residue |
| A | GLY48 |
| A | HIS52 |
| A | GLU67 |
| A | LEU68 |
| A | ALA69 |
| A | GLY88 |
| A | ASP89 |
| A | MET90 |
| A | LEU105 |
| A | PHE106 |
| A | PHE111 |
| A | HOH415 |
| A | PHE2 |
| A | TYR10 |
| A | TRP21 |
| A | GLY46 |
| A | CYS47 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue ACT A 303 |
| Chain | Residue |
| A | LYS19 |
| A | PHE106 |
| A | ARG228 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue 1PE A 304 |
| Chain | Residue |
| A | TYR14 |
| A | PHE106 |
| A | THR107 |
| A | PHE111 |
| A | TRP140 |
| A | PRO143 |
| A | TYR150 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | binding site for residue PEG B 301 |
| site_id | AC6 |
| Number of Residues | 16 |
| Details | binding site for residue SAM B 302 |
| Chain | Residue |
| B | TYR10 |
| B | TRP21 |
| B | GLY46 |
| B | CYS47 |
| B | HIS52 |
| B | GLU67 |
| B | LEU68 |
| B | ALA69 |
| B | MET72 |
| B | GLY88 |
| B | ASP89 |
| B | MET90 |
| B | LEU105 |
| B | PHE106 |
| B | LEU112 |
| B | 1PE304 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | binding site for residue ACT B 303 |
| Chain | Residue |
| B | LYS19 |
| B | ARG228 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | binding site for residue 1PE B 304 |
| Chain | Residue |
| B | TYR14 |
| B | THR107 |
| B | MET178 |
| B | GLY197 |
| B | LEU198 |
| B | SAM302 |
