Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 17 |
| Details | binding site for residue SAH B 1300 |
| Chain | Residue |
| B | GLU980 |
| B | SER1093 |
| B | PHE1109 |
| B | GLU1110 |
| B | ILE1115 |
| B | HOH1415 |
| B | HOH1429 |
| B | HOH1490 |
| B | HOH1509 |
| B | PHE1040 |
| B | GLY1041 |
| B | GLY1043 |
| B | THR1064 |
| B | LEU1065 |
| B | GLN1069 |
| B | ARG1091 |
| B | ASP1092 |
| site_id | AC2 |
| Number of Residues | 16 |
| Details | binding site for residue SAH A 1301 |
| Chain | Residue |
| A | ARG1022 |
| A | PHE1040 |
| A | GLY1041 |
| A | GLY1043 |
| A | THR1064 |
| A | LEU1065 |
| A | GLN1069 |
| A | ARG1091 |
| A | ASP1092 |
| A | SER1093 |
| A | PHE1109 |
| A | GLU1110 |
| A | ILE1115 |
| A | CL1302 |
| A | HOH1415 |
| A | HOH1423 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue CL A 1302 |
| Chain | Residue |
| A | LEU1065 |
| A | HIS1114 |
| A | SAH1301 |
