X-ray diffraction
2Å resolution

Escherichia coli SecA, the preprotein translocase dimeric ATPase


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein translocase subunit SecA Chains: A, B
Molecule details ›
Chains: A, B
Length: 853 amino acids
Theoretical weight: 97.07 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P10408 (Residues: 9-861; Coverage: 95%)
Gene names: JW0096, azi, b0098, pea, prlD, secA
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P21
Unit cell:
a: 75.03Å b: 90.171Å c: 163.049Å
α: 90° β: 100.48° γ: 90°
R R work R free
0.215 0.213 0.261
Expression system: Escherichia coli