Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004146 | molecular_function | dihydrofolate reductase activity |
| A | 0006730 | biological_process | one-carbon metabolic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
| A | 0050661 | molecular_function | NADP binding |
| B | 0004146 | molecular_function | dihydrofolate reductase activity |
| B | 0006730 | biological_process | one-carbon metabolic process |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
| B | 0050661 | molecular_function | NADP binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 33 |
| Details | BINDING SITE FOR RESIDUE NDP A 201 |
| Chain | Residue |
| A | VAL10 |
| A | ARG56 |
| A | LYS57 |
| A | THR58 |
| A | LEU77 |
| A | SER78 |
| A | ARG79 |
| A | SER94 |
| A | ILE112 |
| A | GLY114 |
| A | ALA115 |
| A | ALA11 |
| A | GLU116 |
| A | ILE117 |
| A | TYR118 |
| A | GLU120 |
| A | GLU174 |
| A | 18G202 |
| A | HOH341 |
| A | HOH347 |
| A | HOH354 |
| A | HOH381 |
| A | ILE19 |
| A | HOH397 |
| A | HOH424 |
| A | HOH441 |
| A | HOH444 |
| A | GLY20 |
| A | GLY23 |
| A | LYS24 |
| A | MET25 |
| A | LYS31 |
| A | GLY55 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE 18G A 202 |
| Chain | Residue |
| A | ILE9 |
| A | VAL10 |
| A | ALA11 |
| A | MET25 |
| A | GLU32 |
| A | PHE36 |
| A | THR58 |
| A | SER61 |
| A | PRO63 |
| A | PHE66 |
| A | ILE112 |
| A | TYR118 |
| A | NDP201 |
| A | HOH340 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GLY A 203 |
| Chain | Residue |
| A | ASN5 |
| A | ARG108 |
| A | VAL109 |
| A | SER128 |
| A | HIS129 |
| A | PHE167 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL A 204 |
| Chain | Residue |
| A | SER94 |
| A | SER95 |
| A | SER98 |
| A | VAL172 |
| A | HOH317 |
| A | HOH336 |
| A | HOH351 |
| A | HOH387 |
| site_id | AC5 |
| Number of Residues | 33 |
| Details | BINDING SITE FOR RESIDUE NDP B 201 |
| Chain | Residue |
| B | VAL10 |
| B | ALA11 |
| B | ILE19 |
| B | GLY20 |
| B | GLY23 |
| B | LYS24 |
| B | MET25 |
| B | GLY55 |
| B | ARG56 |
| B | LYS57 |
| B | THR58 |
| B | LEU77 |
| B | SER78 |
| B | ARG79 |
| B | SER94 |
| B | SER95 |
| B | ILE96 |
| B | ILE112 |
| B | GLY114 |
| B | ALA115 |
| B | GLU116 |
| B | ILE117 |
| B | TYR118 |
| B | GLU120 |
| B | 18G202 |
| B | HOH327 |
| B | HOH348 |
| B | HOH358 |
| B | HOH373 |
| B | HOH387 |
| B | HOH397 |
| B | HOH409 |
| B | HOH452 |
| site_id | AC6 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE 18G B 202 |
| Chain | Residue |
| B | THR58 |
| B | SER61 |
| B | PRO63 |
| B | ILE112 |
| B | TYR118 |
| B | NDP201 |
| B | ILE9 |
| B | VAL10 |
| B | ALA11 |
| B | GLU32 |
| B | PHE36 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL B 203 |
| Chain | Residue |
| A | LYS3 |
| B | ASP105 |
| B | HOH308 |
| B | HOH337 |
| B | HOH462 |
| B | HOH469 |
Functional Information from PROSITE/UniProt
| site_id | PS00075 |
| Number of Residues | 23 |
| Details | DHFR_1 Dihydrofolate reductase (DHFR) domain signature. GIGykgkMPWrlrk.EiryFkdvT |
| Chain | Residue | Details |
| A | GLY18-THR40 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | ALA11 | |
| B | GLY113 | |
| A | GLY18 | |
| A | ARG56 | |
| A | SER78 | |
| A | GLY113 | |
| B | ALA11 | |
| B | GLY18 | |
| B | ARG56 | |
| B | SER78 | |
| Chain | Residue | Details |
| A | GLU32 | |
| A | ILE112 | |
| A | TYR118 | |
| B | GLU32 | |
| B | ILE112 | |
| B | TYR118 | |
| Chain | Residue | Details |
| A | ARG72 | |
| B | ARG72 | |
