› 4rzk

X-ray diffraction
2.68Å resolution

Crystal structure of Sulfolobus solfataricus Hsp20.1 ACD

Released:
DOI: 10.2210/pdb4rzk/pdb
PDB entry 4rzk coloured by chain, front view.
PDB entry 4rzk coloured by chain, side view.
PDB entry 4rzk coloured by chain, top view.
Source organism: Saccharolobus solfataricus P2
Primary publication:
Crystal structure and function of an unusual dimeric Hsp20.1 provide insight into the thermal protection mechanism of small heat shock proteins.
Liang L, Yun CH
Biochem. Biophys. Res. Commun. (2015)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-189000 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Small heat shock protein hsp20 family Chains: A, B
Molecule details ›
Chains: A, B
Length: 90 amino acids
Theoretical weight: 9.94 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Escherichia coli
UniProt:
  • Canonical: Q97W19 (Residues: 77-166; Coverage: 51%)
Gene name: SSO2427
Sequence domains: Hsp20/alpha crystallin family
Structure domains: Immunoglobulin-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: R3
Unit cell:
a: 91.124Å b: 91.124Å c: 74.951Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.195 0.193 0.238
Expression system: Escherichia coli

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