› 1m2f

Solution NMR

Solution structure of the N-terminal domain of Synechococcus elongatus KaiA (KaiA135N); Family of 25 structures

Released:
DOI: 10.2210/pdb1m2f/pdb
PDB entry 1m2f coloured by chain, ensemble of 25 models, front view.
PDB entry 1m2f coloured by chain, ensemble of 25 models, side view.
PDB entry 1m2f coloured by chain, ensemble of 25 models, top view.
Source organism: Synechococcus elongatus
Primary publication:
Structure and function from the circadian clock protein KaiA of Synechococcus elongatus: a potential clock input mechanism.
Williams SB, Vakonakis I, Golden SS, LiWang AC
Proc Natl Acad Sci U S A 99 15357-62 (2002)
PMID: 12438647

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181281 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Circadian clock oscillator protein KaiA Chain: A
Molecule details ›
Chain: A
Length: 135 amino acids
Theoretical weight: 15.08 KDa
Source organism: Synechococcus elongatus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q79PF6 (Residues: 1-135; Coverage: 48%)
Gene names: Synpcc7942_1218, kaiA, see0009
Sequence domains: Circadian clock protein KaiA, N-terminal domain
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Refinement method: Distance geometry, Simulated annealing regularization, Simulated annealing refinement
Expression system: Escherichia coli BL21(DE3)

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Citations

24 review citations

Evolution of time-keeping mechanisms: early emergence and adaptation to photoperiod.
Hut et al. (2011)
23 more

3 mentions without citation

LGA: A method for finding 3D similarities in protein structures.
Zemla A. (2003)
2 more