X-ray diffraction
1.6Å resolution

X-Ray structure of apo-Secoisolariciresinol Dehydrogenase

Source organism: Podophyllum peltatum
Entry authors: Youn B, Moinuddin SG, Davin LB, Lewis NG, Kang C

Function and Biology Details

Reaction catalysed:
(-)-secoisolariciresinol + 2 NAD(+) = (-)-matairesinol + 2 NADH
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Secoisolariciresinol dehydrogenase Chains: A, B
Molecule details ›
Chains: A, B
Length: 278 amino acids
Theoretical weight: 29.29 KDa
Source organism: Podophyllum peltatum
Expression system: Escherichia coli
  • Canonical: Q94KL8 (Residues: 1-278; Coverage: 100%)
Sequence domains: Enoyl-(Acyl carrier protein) reductase
Structure domains: NAD(P)-binding Rossmann-like Domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: C2221
Unit cell:
a: 107.34Å b: 133.56Å c: 69.35Å
α: 90° β: 90° γ: 90°
R R work R free
0.197 0.197 0.226
Expression system: Escherichia coli