3K45
Alternate Binding Modes Observed for the E- and Z-isomers of 2,4-Diaminofuro[2,3d]pyrimidines as Ternary Complexes with NADPH and Mouse Dihydrofolate Reductase
Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0000900 | molecular_function | mRNA regulatory element binding translation repressor activity | 
| A | 0003723 | molecular_function | RNA binding | 
| A | 0003729 | molecular_function | mRNA binding | 
| A | 0004146 | molecular_function | dihydrofolate reductase activity | 
| A | 0005542 | molecular_function | folic acid binding | 
| A | 0005634 | cellular_component | nucleus | 
| A | 0005737 | cellular_component | cytoplasm | 
| A | 0005739 | cellular_component | mitochondrion | 
| A | 0005743 | cellular_component | mitochondrial inner membrane | 
| A | 0005759 | cellular_component | mitochondrial matrix | 
| A | 0005829 | cellular_component | cytosol | 
| A | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process | 
| A | 0006730 | biological_process | one-carbon metabolic process | 
| A | 0008144 | molecular_function | obsolete drug binding | 
| A | 0016491 | molecular_function | oxidoreductase activity | 
| A | 0016646 | molecular_function | oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor | 
| A | 0017148 | biological_process | negative regulation of translation | 
| A | 0031103 | biological_process | axon regeneration | 
| A | 0031427 | biological_process | response to methotrexate | 
| A | 0033560 | molecular_function | folate reductase activity | 
| A | 0035999 | biological_process | tetrahydrofolate interconversion | 
| A | 0046452 | biological_process | dihydrofolate metabolic process | 
| A | 0046653 | biological_process | tetrahydrofolate metabolic process | 
| A | 0046654 | biological_process | tetrahydrofolate biosynthetic process | 
| A | 0046655 | biological_process | folic acid metabolic process | 
| A | 0050661 | molecular_function | NADP binding | 
| A | 0051871 | molecular_function | dihydrofolic acid binding | 
| A | 0070402 | molecular_function | NADPH binding | 
| A | 1990825 | molecular_function | sequence-specific mRNA binding | 
| A | 2000121 | biological_process | regulation of removal of superoxide radicals | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 39 | 
| Details | BINDING SITE FOR RESIDUE NDP A 187 | 
| Chain | Residue | 
| A | VAL8 | 
| A | ARG54 | 
| A | LYS55 | 
| A | THR56 | 
| A | LEU75 | 
| A | SER76 | 
| A | ARG77 | 
| A | GLU78 | 
| A | LYS91 | 
| A | SER92 | 
| A | LEU93 | 
| A | ALA9 | 
| A | VAL115 | 
| A | GLY116 | 
| A | GLY117 | 
| A | SER118 | 
| A | SER119 | 
| A | VAL120 | 
| A | TYR121 | 
| A | GLU123 | 
| A | 51P188 | 
| A | HOH199 | 
| A | ILE16 | 
| A | HOH221 | 
| A | HOH230 | 
| A | HOH274 | 
| A | HOH292 | 
| A | HOH295 | 
| A | HOH334 | 
| A | HOH351 | 
| A | HOH352 | 
| A | HOH355 | 
| A | HOH364 | 
| A | GLY17 | 
| A | GLY20 | 
| A | ASP21 | 
| A | LEU22 | 
| A | TRP24 | 
| A | GLY53 | 
| site_id | AC2 | 
| Number of Residues | 12 | 
| Details | BINDING SITE FOR RESIDUE 51P A 188 | 
| Chain | Residue | 
| A | ILE7 | 
| A | VAL8 | 
| A | ALA9 | 
| A | GLU30 | 
| A | PHE31 | 
| A | PHE34 | 
| A | THR56 | 
| A | VAL115 | 
| A | TYR121 | 
| A | THR136 | 
| A | NDP187 | 
| A | HOH351 | 
Functional Information from PROSITE/UniProt
| site_id | PS00075 | 
| Number of Residues | 24 | 
| Details | DHFR_1 Dihydrofolate reductase (DHFR) domain signature. GIGkngdLPWpplrnEfkyFqrmT | 
| Chain | Residue | Details | 
| A | GLY15-THR38 | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 181 | 
| Details | Domain: {"description":"DHFR","evidences":[{"source":"PROSITE-ProRule","id":"PRU00660","evidenceCode":"ECO:0000255"}]} | 
| Chain | Residue | Details | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 18 | 
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"15681865","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17019704","evidenceCode":"ECO:0000269"}]} | 
| Chain | Residue | Details | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 7 | 
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"15681865","evidenceCode":"ECO:0000305"}]} | 
| Chain | Residue | Details | 
| site_id | SWS_FT_FI4 | 
| Number of Residues | 1 | 
| Details | Modified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"PubMed","id":"23806337","evidenceCode":"ECO:0007744"}]} | 
| Chain | Residue | Details | 
Catalytic Information from CSA
| site_id | CSA1 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1dhf | 
| Chain | Residue | Details | 
| A | LEU22 | |
| A | GLU30 | 











