› 2qas

X-ray diffraction
2.55Å resolution

Crystal structure of Caulobacter crescentus SspB ortholog

Released:
DOI: 10.2210/pdb2qas/pdb
PDB entry 2qas coloured by chain, front view.
PDB entry 2qas coloured by chain, side view.
PDB entry 2qas coloured by chain, top view.
Source organism: Caulobacter vibrioides
Entry authors: Chien P, Grant RA, Sauer RT, Baker TA

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-163191 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Stringent starvation protein B Chain: A
Molecule details ›
Chain: A
Length: 157 amino acids
Theoretical weight: 17.14 KDa
Source organism: Caulobacter vibrioides
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9A6J2 (Residues: 1-154; Coverage: 95%)
Gene name: CC_2102
Sequence domains: Stringent starvation protein B
Structure domains: SspB-like
C. crescentus ssrA peptide Chain: B
Molecule details ›
Chain: B
Length: 20 amino acids
Theoretical weight: 2.11 KDa
Source organism: Caulobacter vibrioides
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P64
Unit cell:
a: 121.76Å b: 121.76Å c: 27.66Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.218 0.213 0.262
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided

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