3IRN
Trypanosoma cruzi Dihydrofolate Reductase-Thymidylate Synthase COMPLEXED WITH NADPH AND Cycloguanil
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004146 | molecular_function | dihydrofolate reductase activity |
| A | 0004799 | molecular_function | thymidylate synthase activity |
| A | 0005739 | cellular_component | mitochondrion |
| A | 0005829 | cellular_component | cytosol |
| A | 0006231 | biological_process | dTMP biosynthetic process |
| A | 0006730 | biological_process | one-carbon metabolic process |
| A | 0008168 | molecular_function | methyltransferase activity |
| A | 0009165 | biological_process | nucleotide biosynthetic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016741 | molecular_function | transferase activity, transferring one-carbon groups |
| A | 0032259 | biological_process | methylation |
| A | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
| B | 0004146 | molecular_function | dihydrofolate reductase activity |
| B | 0004799 | molecular_function | thymidylate synthase activity |
| B | 0005739 | cellular_component | mitochondrion |
| B | 0005829 | cellular_component | cytosol |
| B | 0006231 | biological_process | dTMP biosynthetic process |
| B | 0006730 | biological_process | one-carbon metabolic process |
| B | 0008168 | molecular_function | methyltransferase activity |
| B | 0009165 | biological_process | nucleotide biosynthetic process |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0016741 | molecular_function | transferase activity, transferring one-carbon groups |
| B | 0032259 | biological_process | methylation |
| B | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
| C | 0004146 | molecular_function | dihydrofolate reductase activity |
| C | 0004799 | molecular_function | thymidylate synthase activity |
| C | 0005739 | cellular_component | mitochondrion |
| C | 0005829 | cellular_component | cytosol |
| C | 0006231 | biological_process | dTMP biosynthetic process |
| C | 0006730 | biological_process | one-carbon metabolic process |
| C | 0008168 | molecular_function | methyltransferase activity |
| C | 0009165 | biological_process | nucleotide biosynthetic process |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0016741 | molecular_function | transferase activity, transferring one-carbon groups |
| C | 0032259 | biological_process | methylation |
| C | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
| D | 0004146 | molecular_function | dihydrofolate reductase activity |
| D | 0004799 | molecular_function | thymidylate synthase activity |
| D | 0005739 | cellular_component | mitochondrion |
| D | 0005829 | cellular_component | cytosol |
| D | 0006231 | biological_process | dTMP biosynthetic process |
| D | 0006730 | biological_process | one-carbon metabolic process |
| D | 0008168 | molecular_function | methyltransferase activity |
| D | 0009165 | biological_process | nucleotide biosynthetic process |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0016741 | molecular_function | transferase activity, transferring one-carbon groups |
| D | 0032259 | biological_process | methylation |
| D | 0046654 | biological_process | tetrahydrofolate biosynthetic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE 1CY A 601 |
| Chain | Residue |
| A | VAL26 |
| A | NDP701 |
| A | VAL27 |
| A | ALA28 |
| A | ASP48 |
| A | PHE52 |
| A | THR80 |
| A | ILE84 |
| A | ILE154 |
| A | TYR160 |
| site_id | AC2 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE NDP A 701 |
| Chain | Residue |
| A | VAL27 |
| A | ALA28 |
| A | ILE35 |
| A | GLY36 |
| A | ASP37 |
| A | GLY38 |
| A | ARG39 |
| A | SER40 |
| A | ILE41 |
| A | GLY77 |
| A | ARG78 |
| A | LYS79 |
| A | THR80 |
| A | LEU99 |
| A | SER100 |
| A | SER101 |
| A | THR102 |
| A | GLY130 |
| A | GLY131 |
| A | GLY156 |
| A | GLY157 |
| A | SER158 |
| A | TYR160 |
| A | 1CY601 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 A 801 |
| Chain | Residue |
| A | ARG423 |
| A | SER424 |
| B | ARG383 |
| B | ARG384 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE PO4 A 802 |
| Chain | Residue |
| A | ARG384 |
| B | ARG423 |
| B | SER424 |
| site_id | AC5 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE 1CY B 602 |
| Chain | Residue |
| B | VAL26 |
| B | VAL27 |
| B | ALA28 |
| B | ILE41 |
| B | ASP48 |
| B | PHE52 |
| B | THR80 |
| B | ILE84 |
| B | ILE154 |
| B | TYR160 |
| B | NDP702 |
| site_id | AC6 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE NDP B 702 |
| Chain | Residue |
| B | ALA28 |
| B | ILE35 |
| B | GLY38 |
| B | ARG39 |
| B | SER40 |
| B | GLY77 |
| B | ARG78 |
| B | LYS79 |
| B | THR80 |
| B | SER83 |
| B | LEU99 |
| B | SER100 |
| B | SER101 |
| B | THR102 |
| B | GLY130 |
| B | GLY131 |
| B | ILE154 |
| B | GLY155 |
| B | GLY156 |
| B | GLY157 |
| B | SER158 |
| B | VAL159 |
| B | TYR160 |
| B | 1CY602 |
| site_id | AC7 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE 1CY C 603 |
| Chain | Residue |
| C | VAL26 |
| C | VAL27 |
| C | ALA28 |
| C | ASP48 |
| C | PHE52 |
| C | THR80 |
| C | ILE84 |
| C | ILE154 |
| C | TYR160 |
| C | NDP703 |
| site_id | AC8 |
| Number of Residues | 25 |
| Details | BINDING SITE FOR RESIDUE NDP C 703 |
| Chain | Residue |
| C | SER100 |
| C | SER101 |
| C | THR102 |
| C | GLY130 |
| C | GLY131 |
| C | GLY155 |
| C | GLY156 |
| C | GLY157 |
| C | SER158 |
| C | VAL159 |
| C | TYR160 |
| C | 1CY603 |
| C | VAL27 |
| C | ALA28 |
| C | ILE35 |
| C | GLY38 |
| C | ARG39 |
| C | SER40 |
| C | ILE41 |
| C | GLY77 |
| C | ARG78 |
| C | LYS79 |
| C | THR80 |
| C | SER83 |
| C | LEU99 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 C 804 |
| Chain | Residue |
| C | ARG383 |
| C | ARG384 |
| D | ARG423 |
| D | SER424 |
| site_id | BC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE 1CY D 604 |
| Chain | Residue |
| D | VAL26 |
| D | VAL27 |
| D | ALA28 |
| D | ASP48 |
| D | PHE52 |
| D | THR80 |
| D | ILE84 |
| D | ILE154 |
| site_id | BC2 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE NDP D 704 |
| Chain | Residue |
| D | ALA28 |
| D | ILE35 |
| D | GLY36 |
| D | ASP37 |
| D | ARG39 |
| D | SER40 |
| D | ILE41 |
| D | TRP43 |
| D | GLY77 |
| D | ARG78 |
| D | LYS79 |
| D | THR80 |
| D | SER83 |
| D | LEU99 |
| D | SER100 |
| D | SER101 |
| D | THR102 |
| D | GLY130 |
| D | GLY131 |
| D | GLY155 |
| D | GLY156 |
| D | GLY157 |
| D | SER158 |
| D | TYR160 |
| site_id | BC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 D 803 |
| Chain | Residue |
| C | ARG423 |
| C | SER424 |
| D | ARG383 |
| D | ARG384 |
Functional Information from PROSITE/UniProt
| site_id | PS00075 |
| Number of Residues | 23 |
| Details | DHFR_1 Dihydrofolate reductase (DHFR) domain signature. GIGdgrsIPWnvpe.DmkfFrdlT |
| Chain | Residue | Details |
| A | GLY34-THR56 |
| site_id | PS00091 |
| Number of Residues | 29 |
| Details | THYMIDYLATE_SYNTHASE Thymidylate synthase active site. RrmLftaWNpsalprma.....LpPCHllaQFyV |
| Chain | Residue | Details |
| A | ARG383-VAL411 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | ACT_SITE: ACT_SITE => ECO:0000250 |
| Chain | Residue | Details |
| A | CYS403 | |
| B | CYS403 | |
| C | CYS403 | |
| D | CYS403 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 60 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | VAL26 | |
| A | THR178 | |
| A | ARG257 | |
| A | HIS404 | |
| A | GLN422 | |
| A | ASN434 | |
| A | HIS464 | |
| B | VAL26 | |
| B | ALA28 | |
| B | GLY34 | |
| B | ASP48 | |
| A | ALA28 | |
| B | ARG78 | |
| B | LEU99 | |
| B | ILE154 | |
| B | GLY155 | |
| B | TYR160 | |
| B | THR178 | |
| B | ARG257 | |
| B | HIS404 | |
| B | GLN422 | |
| B | ASN434 | |
| A | GLY34 | |
| B | HIS464 | |
| C | VAL26 | |
| C | ALA28 | |
| C | GLY34 | |
| C | ASP48 | |
| C | ARG78 | |
| C | LEU99 | |
| C | ILE154 | |
| C | GLY155 | |
| C | TYR160 | |
| A | ASP48 | |
| C | THR178 | |
| C | ARG257 | |
| C | HIS404 | |
| C | GLN422 | |
| C | ASN434 | |
| C | HIS464 | |
| D | VAL26 | |
| D | ALA28 | |
| D | GLY34 | |
| D | ASP48 | |
| A | ARG78 | |
| D | ARG78 | |
| D | LEU99 | |
| D | ILE154 | |
| D | GLY155 | |
| D | TYR160 | |
| D | THR178 | |
| D | ARG257 | |
| D | HIS404 | |
| D | GLN422 | |
| D | ASN434 | |
| A | LEU99 | |
| D | HIS464 | |
| A | ILE154 | |
| A | GLY155 | |
| A | TYR160 |
