1pdb

X-ray diffraction
2.2Å resolution

Analysis of Three Crystal Structure Determinations of a 5-Methyl-6-N-Methylanilino Pyridopyrimidine Antifolate Complex with Human Dihydrofolate Reductase

Released:

Function and Biology Details

Reaction catalysed:
5,6,7,8-tetrahydrofolate + NADP(+) = 7,8-dihydrofolate + NADPH
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-132447 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydrofolate reductase Chain: A
Molecule details ›
Chain: A
Length: 186 amino acids
Theoretical weight: 21.35 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P00374 (Residues: 2-187; Coverage: 100%)
Gene name: DHFR
Sequence domains: Dihydrofolate reductase
Structure domains: Dihydrofolate Reductase, subunit A

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P43212
Unit cell:
a: 62.93Å b: 62.93Å c: 95.739Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.25 0.239 0.25
Expression system: Escherichia coli