› 2j48

Solution NMR

NMR structure of the pseudo-receiver domain of the CikA protein.

Released:
DOI: 10.2210/pdb2j48/pdb
PDB entry 2j48 coloured by chain, ensemble of 20 models, front view.
PDB entry 2j48 coloured by chain, ensemble of 20 models, side view.
PDB entry 2j48 coloured by chain, ensemble of 20 models, top view.
Source organism: Synechococcus elongatus PCC 7942 = FACHB-805
Primary publication:
NMR structure of the pseudo-receiver domain of CikA.
Gao T, Zhang X, Ivleva NB, Golden SS, LiWang A
Protein Sci 16 465-75 (2007)
PMID: 17322531

Function and Biology Details

Reaction catalysed: 
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-191886 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Circadian input-output histidine kinase CikA Chain: A
Molecule details ›
Chain: A
Length: 119 amino acids
Theoretical weight: 12.88 KDa
Source organism: Synechococcus elongatus PCC 7942 = FACHB-805
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9KHI5 (Residues: 627-745; Coverage: 16%)
Gene names: Synpcc7942_0644, cikA
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Refinement method: XPLOR-NIH
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

8 review citations

Receiver domain structure and function in response regulator proteins.
Bourret RB. (2010)
7 more

3 mentions without citation

Circadian oscillator proteins across the kingdoms of life: structural aspects.
Saini et al. (2019)
2 more