1U70
Understanding the Role of Leu22 Variants in Methotrexate Resistance: Comparison of Wild-type and Leu22Arg Variant Mouse and Human Dihydrofolate Reductase
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003723 | molecular_function | RNA binding |
| A | 0003729 | molecular_function | mRNA binding |
| A | 0004146 | molecular_function | dihydrofolate reductase activity |
| A | 0005634 | cellular_component | nucleus |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005739 | cellular_component | mitochondrion |
| A | 0005829 | cellular_component | cytosol |
| A | 0006231 | biological_process | dTMP biosynthetic process |
| 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 | 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 | 2000121 | biological_process | regulation of removal of superoxide radicals |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE MTX A 187 |
| Chain | Residue |
| A | ILE7 |
| A | LYS68 |
| A | ARG70 |
| A | VAL115 |
| A | TYR121 |
| A | THR136 |
| A | NDP188 |
| A | VAL8 |
| A | ARG22 |
| A | GLU30 |
| A | PHE31 |
| A | PHE34 |
| A | GLN35 |
| A | PRO61 |
| A | ASN64 |
| site_id | AC2 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE NDP A 188 |
| Chain | Residue |
| A | VAL8 |
| A | ALA9 |
| A | GLY20 |
| A | ASP21 |
| A | TRP24 |
| A | GLY53 |
| A | ARG54 |
| A | LYS55 |
| A | THR56 |
| A | LEU75 |
| A | SER76 |
| A | ARG77 |
| A | GLU78 |
| A | LYS91 |
| A | SER92 |
| A | VAL115 |
| A | GLY116 |
| A | GLY117 |
| A | SER118 |
| A | SER119 |
| A | VAL120 |
| A | TYR121 |
| A | GLU123 |
| A | MTX187 |
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 | ARG22 | |
| A | GLU30 |
