PDBe 3ax2

X-ray diffraction
1.9Å resolution

Crystal structure of rat TOM20-ALDH presequence complex: a disulfide-tethered complex with a non-optimized, long linker


Function and Biology Details

Reaction catalysed:
An aldehyde + NAD(+) + H(2)O = a carboxylate + NADH. 
Biochemical function:
  • not assigned
Biological process:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Aldehyde dehydrogenase, mitochondrial Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 16 amino acids
Theoretical weight: 1.54 KDa
Source organism: Rattus norvegicus
Expression system: Not provided
  • Canonical: P11884 (Residues: 12-20; Coverage: 2%)
Gene name: Aldh2
Mitochondrial import receptor subunit TOM20 homolog Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 73 amino acids
Theoretical weight: 8.02 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
  • Canonical: Q62760 (Residues: 59-126; Coverage: 47%)
Gene name: Tomm20
Structure domains: Mitochondrial Import Receptor Subunit Tom20; Chain A

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P31
Unit cell:
a: 61.49Å b: 61.49Å c: 98.341Å
α: 90° β: 90° γ: 120°
R R work R free
0.189 0.188 0.218
Expression systems:
  • Not provided
  • Escherichia coli