3kl4

X-ray diffraction
3.5Å resolution

Recognition of a signal peptide by the signal recognition particle

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-148483 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Signal recognition particle 54 kDa protein Chain: A
Molecule details ›
Chain: A
Length: 433 amino acids
Theoretical weight: 48.5 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Escherichia coli
UniProt:
  • Canonical: Q97ZE7 (Residues: 2-432; Coverage: 96%)
Gene names: SSO0971, srp54
Sequence domains:
Structure domains:
Dipeptidyl aminopeptidase B Chain: B
Molecule details ›
Chain: B
Length: 42 amino acids
Theoretical weight: 4.53 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P18962 (Residues: 26-51; Coverage: 3%)
Gene names: DAP2, YHR028C

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1, ESRF BEAMLINE ID14-4
Spacegroup: P41212
Unit cell:
a: 91.883Å b: 91.883Å c: 133.263Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.301 0.301 0.322
Expression system: Escherichia coli