Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0042820 | biological_process | vitamin B6 catabolic process |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0047585 | molecular_function | 4-pyridoxolactonase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ZN A 275 |
| Chain | Residue |
| A | ASP100 |
| A | HIS101 |
| A | ASP207 |
| A | HIS252 |
| A | ZN276 |
| A | HOH384 |
| A | HOH502 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ZN A 276 |
| Chain | Residue |
| A | HIS185 |
| A | ASP207 |
| A | ZN275 |
| A | HOH420 |
| A | HOH502 |
| A | HIS96 |
| A | HIS98 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PO4 A 277 |
| Chain | Residue |
| A | ARG199 |
| A | ARG261 |
| A | TYR267 |
| A | GLY268 |
| A | HIS269 |
| A | HOH473 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor/acceptor => ECO:0000255 |
| Chain | Residue | Details |
| A | ASP100 | |
| Chain | Residue | Details |
| A | HIS96 | |
| A | HIS98 | |
| A | ASP100 | |
| A | HIS101 | |
| A | HIS185 | |
| A | ASP207 | |
| A | HIS252 | |
