3mp7

X-ray diffraction
2.9Å resolution

Lateral opening of a translocon upon entry of protein suggests the mechanism of insertion into membranes

Released:
Source organism: Pyrococcus furiosus
Primary publication:
Lateral opening of a translocon upon entry of protein suggests the mechanism of insertion into membranes.
Proc Natl Acad Sci U S A 107 17182-7 (2010)
PMID: 20855604

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-186334 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protein translocase subunit SecY Chain: A
Molecule details ›
Chain: A
Length: 482 amino acids
Theoretical weight: 53.94 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8U019 (Residues: 1-468; Coverage: 100%)
Gene names: PF1801, secY
Sequence domains:
Structure domains: SecY subunit domain
Protein translocase subunit SecE Chain: B
Molecule details ›
Chain: B
Length: 61 amino acids
Theoretical weight: 6.94 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8TZK2 (Residues: 1-61; Coverage: 100%)
Gene names: PF1989, secE
Structure domains: Preprotein translocase SecE subunit

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: 71.24Å b: 141.57Å c: 235.46Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.28 0.277 0.317
Expression system: Escherichia coli BL21