1twb

X-ray diffraction
1.9Å resolution

SspB disulfide crosslinked to an ssrA degradation tag

Released:

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Stringent starvation protein B homolog Chains: A, B
Molecule details ›
Chains: A, B
Length: 110 amino acids
Theoretical weight: 12.45 KDa
Source organism: Haemophilus influenzae
Expression system: Escherichia coli
UniProt:
  • Canonical: P45206 (Residues: 1-110; Coverage: 73%)
Gene names: HI_1440, sspB
Structure domains: SspB-like
ssrA peptide Chains: C, D
Molecule details ›
Chains: C, D
Length: 8 amino acids
Theoretical weight: 899 Da
Source organism: Haemophilus influenzae
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 8-BM
Spacegroup: P3121
Unit cell:
a: 68.237Å b: 68.237Å c: 110.384Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.235 0.235 0.268
Expression systems:
  • Escherichia coli
  • Not provided