› 1v2z

X-ray diffraction
1.8Å resolution

Crystal structure of the C-terminal domain of Thermosynechococcus elongatus BP-1 KaiA

Released:
DOI: 10.2210/pdb1v2z/pdb
Model geometry
Fit model/data
PDB entry 1v2z coloured by chain, front view.
PDB entry 1v2z coloured by chain, side view.
PDB entry 1v2z coloured by chain, top view.
Source organism: Thermosynechococcus vestitus BP-1
Primary publication:
Crystal structure of the C-terminal clock-oscillator domain of the cyanobacterial KaiA protein.
Uzumaki T, Fujita M, Nakatsu T, Hayashi F, Shibata H, Itoh N, Kato H, Ishiura M
Nat Struct Mol Biol 11 623-31 (2004)
PMID: 15170179

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181298 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Circadian clock oscillator protein KaiA Chain: A
Molecule details ›
Chain: A
Length: 111 amino acids
Theoretical weight: 13.19 KDa
Source organism: Thermosynechococcus vestitus BP-1
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q79V62 (Residues: 174-283; Coverage: 39%)
Gene names: kaiA, tlr0481
Sequence domains: KaiA C-terminal domain
Structure domains: KaiA/RbsU domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SPRING-8 BEAMLINE BL26B2
Spacegroup: P43212
Unit cell:
a: 61.467Å b: 61.467Å c: 57.305Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.228 0.225 0.264
Expression system: Escherichia coli BL21

Quick links

Citations

8 review citations

Finding new clock components: past and future.
Takahashi JS. (2004)
7 more

3 mentions without citation

Macromolecular ab initio phasing enforcing secondary and tertiary structure.
Millán et al. (2015)
2 more