Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 17 |
| Details | binding site for residue PLP A 401 |
| Chain | Residue |
| A | HIS72 |
| A | LEU231 |
| A | THR234 |
| A | THR235 |
| A | SER270 |
| A | SER271 |
| A | HOH503 |
| A | HOH507 |
| A | HOH515 |
| A | ARG75 |
| A | LYS174 |
| A | TYR178 |
| A | GLU207 |
| A | PRO209 |
| A | THR210 |
| A | SER211 |
| A | ASN212 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue GAB A 402 |
| Chain | Residue |
| A | ARG3 |
| A | HOH562 |
| B | ALA77 |
| B | HIS78 |
| B | ALA81 |
| B | HOH545 |
| site_id | AC3 |
| Number of Residues | 16 |
| Details | binding site for residue PLP B 401 |
| Chain | Residue |
| B | HIS72 |
| B | ARG75 |
| B | LYS174 |
| B | TYR178 |
| B | GLU207 |
| B | PRO209 |
| B | THR210 |
| B | SER211 |
| B | ASN212 |
| B | LEU231 |
| B | THR234 |
| B | THR235 |
| B | SER270 |
| B | SER271 |
| B | HOH527 |
| B | HOH579 |
