PDBe 1q3q

X-ray diffraction
2.3Å resolution

Crystal structure of the chaperonin from Thermococcus strain KS-1 (two-point mutant complexed with AMP-PNP)


Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo 16-mer
homo octamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Thermosome subunit alpha Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 548 amino acids
Theoretical weight: 59.28 KDa
Source organism: Thermococcus sp. JCM 11816
Expression system: Escherichia coli BL21(DE3)
  • Best match: P61112 (Residues: 1-548)
Gene name: thsA

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL45XU
Spacegroup: P4212
Unit cell:
a: 210.829Å b: 210.829Å c: 156.421Å
α: 90° β: 90° γ: 90°
R R work R free
0.213 0.213 0.25
Expression system: Escherichia coli BL21(DE3)