4kjl

X-ray diffraction
1.38Å resolution

Room Temperature N23PPS148A DHFR

Released:

Function and Biology Details

Reaction catalysed:
5,6,7,8-tetrahydrofolate + NADP(+) = 7,8-dihydrofolate + NADPH
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-142189 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydrofolate reductase Chain: A
Molecule details ›
Chain: A
Length: 160 amino acids
Theoretical weight: 18.08 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ABQ4 (Residues: 1-23, 25-159; Coverage: 99%)
Gene names: JW0047, b0048, folA, tmrA
Sequence domains: Dihydrofolate reductase
Structure domains: Dihydrofolate Reductase, subunit A

Ligands and Environments


Cofactor: Ligand NAP 1 x NAP
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: P212121
Unit cell:
a: 34.64Å b: 45.76Å c: 98.71Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.151 0.15 0.18
Expression system: Escherichia coli