PDBe 1ra2

X-ray diffraction
1.6Å resolution

DIHYDROFOLATE REDUCTASE COMPLEXED WITH FOLATE AND NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE (OXIDIZED FORM)

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydrofolate reductase Chain: A
Molecule details ›
Chain: A
Length: 159 amino acids
Theoretical weight: 18.02 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ABQ4 (Residues: 1-159; Coverage: 100%)
Gene names: JW0047, b0048, folA, tmrA
Sequence domains: Dihydrofolate reductase
Structure domains: Dihydrofolate Reductase, subunit A

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: C2
Unit cell:
a: 74.261Å b: 59.91Å c: 38.957Å
α: 90° β: 107.63° γ: 90°
R-values:
R R work R free
0.171 0.171 not available
Expression system: Escherichia coli