Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE PLP A 500 |
| Chain | Residue |
| A | CYS69 |
| A | SER200 |
| A | HIS202 |
| A | LYS203 |
| A | CYS502 |
| B | GLY237 |
| B | THR238 |
| A | ALA70 |
| A | THR71 |
| A | HIS99 |
| A | MET146 |
| A | ASN150 |
| A | ASP177 |
| A | VAL179 |
| A | GLN180 |
| site_id | AC2 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE PLP B 501 |
| Chain | Residue |
| A | GLY237 |
| A | THR238 |
| B | CYS69 |
| B | ALA70 |
| B | THR71 |
| B | HIS99 |
| B | MET146 |
| B | ASN150 |
| B | ASP177 |
| B | VAL179 |
| B | GLN180 |
| B | SER200 |
| B | HIS202 |
| B | LYS203 |
| B | CYS503 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CYS A 502 |
| Chain | Residue |
| A | ASN8 |
| A | HIS99 |
| A | ASN150 |
| A | ARG350 |
| A | PLP500 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE CYS B 503 |
| Chain | Residue |
| A | HOH566 |
| B | ASN8 |
| B | ALA9 |
| B | HIS99 |
| B | ASN150 |
| B | ARG350 |
| B | PLP501 |
1ECX
