X-ray diffraction
1.6Å resolution

Structure of the ZBD-XB complex

Source organism: Escherichia coli
Primary publication:
Structural basis of SspB-tail recognition by the zinc binding domain of ClpX.
J. Mol. Biol. 367 514-26 (2007)
PMID: 17258768

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
ATP-dependent Clp protease ATP-binding subunit ClpX Chains: A, B
Molecule details ›
Chains: A, B
Length: 51 amino acids
Theoretical weight: 5.76 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P0A6H1 (Residues: 2-52; Coverage: 12%)
Gene names: JW0428, b0438, clpX, lopC
Sequence domains: ClpX C4-type zinc finger
Structure domains: ClpX chaperone, C4-type zinc finger domain
SspB-tail peptide Chains: P, Q
Molecule details ›
Chains: P, Q
Length: 8 amino acids
Theoretical weight: 855 Da
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 32.554Å b: 46.548Å c: 57.037Å
α: 90° β: 90° γ: 90°
R R work R free
0.202 0.201 0.226
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided