Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004146 | molecular_function | dihydrofolate reductase activity |
| A | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
| A | 0050661 | molecular_function | NADP binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE FOL A 201 |
| Chain | Residue |
| A | ILE5 |
| A | LEU54 |
| A | ARG57 |
| A | ILE94 |
| A | THR113 |
| A | NAP202 |
| A | HOH301 |
| A | HOH308 |
| A | HOH342 |
| A | HOH373 |
| A | HOH392 |
| A | ALA6 |
| A | HOH470 |
| A | HOH492 |
| A | HOH493 |
| A | ALA7 |
| A | MET20 |
| A | ASP27 |
| A | LEU28 |
| A | PHE31 |
| A | LYS32 |
| A | ILE50 |
| site_id | AC2 |
| Number of Residues | 38 |
| Details | BINDING SITE FOR RESIDUE NAP A 202 |
| Chain | Residue |
| A | ALA6 |
| A | ALA7 |
| A | ILE14 |
| A | GLY15 |
| A | ASN18 |
| A | ALA19 |
| A | MET20 |
| A | GLY43 |
| A | ARG44 |
| A | HIS45 |
| A | THR46 |
| A | SER49 |
| A | LEU62 |
| A | SER63 |
| A | SER64 |
| A | GLN65 |
| A | LYS76 |
| A | ILE94 |
| A | GLY96 |
| A | GLY97 |
| A | ARG98 |
| A | VAL99 |
| A | TYR100 |
| A | GLN102 |
| A | THR123 |
| A | ASP131 |
| A | FOL201 |
| A | HOH302 |
| A | HOH312 |
| A | HOH337 |
| A | HOH373 |
| A | HOH378 |
| A | HOH383 |
| A | HOH419 |
| A | HOH420 |
| A | HOH434 |
| A | HOH445 |
| A | HOH461 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MN A 203 |
| Chain | Residue |
| A | ASP116 |
| A | HIS149 |
| A | ARG159 |
| A | HOH396 |
| A | HOH459 |
| A | HOH463 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE MN A 204 |
| Chain | Residue |
| A | GLU154 |
| A | HOH460 |
| A | HOH462 |
Functional Information from PROSITE/UniProt
| site_id | PS00075 |
| Number of Residues | 23 |
| Details | DHFR_1 Dihydrofolate reductase (DHFR) domain signature. VIGmenaMPWnlpa.DlawFkrnT |
| Chain | Residue | Details |
| A | VAL13-THR35 | |
