4g86

X-ray diffraction
2.39Å resolution

Crystal structure of the redox-active cofactor DBMIB bound to the full length circadian clock protein KaiA from Synechococcus elongatus

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-181282 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Circadian clock oscillator protein KaiA Chains: A, B
Molecule details ›
Chains: A, B
Length: 284 amino acids
Theoretical weight: 32.63 KDa
Source organism: Synechococcus elongatus PCC 7942 = FACHB-805
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q79PF6 (Residues: 2-284; Coverage: 100%)
Gene names: Synpcc7942_1218, kaiA, see0009
Sequence domains:
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P21
Unit cell:
a: 47.247Å b: 126.354Å c: 56.383Å
α: 90° β: 114.36° γ: 90°
R-values:
R R work R free
0.221 0.219 0.265
Expression system: Escherichia coli BL21