› 2ekd

X-ray diffraction
2.3Å resolution

Structural study of Project ID PH0250 from Pyrococcus horikoshii OT3

Released:
DOI: 10.2210/pdb2ekd/pdb
PDB entry 2ekd coloured by chain, front view.
PDB entry 2ekd coloured by chain, side view.
PDB entry 2ekd coloured by chain, top view.
Source organism: Pyrococcus horikoshii OT3
Entry authors: Asada Y, Kunishima N, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo hexamer (preferred)
homo dodecamer
Assembly name:
PDBe Complex ID:
PDB-CPX-129654 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
KaiC-like domain-containing protein Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 207 amino acids
Theoretical weight: 23.85 KDa
Source organism: Pyrococcus horikoshii OT3
Expression system: Escherichia coli
UniProt:
  • Canonical: O57988 (Residues: 1-207; Coverage: 100%)
Gene name: PH0250
Sequence domains: Pyrococcus protein of unknown function, DUF257
Structure domains: Protein of unknown function DUF257

Ligands and Environments

1 bound ligand:
Ligand CL 3 x CL
1 modified residue:
Ligand MSE 30 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: C2221
Unit cell:
a: 93.471Å b: 158.026Å c: 163.347Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.19 0.188 0.225
Expression system: Escherichia coli

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