› 3aka

X-ray diffraction
1.8Å resolution

Structural basis for prokaryotic calcium-mediated regulation by a Streptomyces coelicolor calcium-binding protein

Released:
DOI: 10.2210/pdb3aka/pdb
PDB entry 3aka coloured by chain, front view.
PDB entry 3aka coloured by chain, side view.
PDB entry 3aka coloured by chain, top view.
Source organism: Streptomyces coelicolor A3(2)
Primary publication:
Structural basis for prokaryotic calcium-mediated regulation by a Streptomyces coelicolor calcium binding protein.
Zhao X, Pang H, Wang S, Zhou W, Yang K, Bartlam M
Protein Cell 1 771-9 (2010)
PMID: 21203918

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-190244 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
EF-hand domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 166 amino acids
Theoretical weight: 17.67 KDa
Source organism: Streptomyces coelicolor A3(2)
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9F377 (Residues: 5-169; Coverage: 97%)
Gene names: SC6F11.09, SCO4411
Sequence domains: EF-hand domain pair
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:
Ligand CA 9 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P212121
Unit cell:
a: 32.876Å b: 51.044Å c: 86.998Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.197 0.248
Expression system: Escherichia coli

Quick links

Citations

2 review citations

Calcium binding proteins and calcium signaling in prokaryotes.
Domínguez et al. (2015)
1 more

2 mentions without citation

Calcium Regulation of Bacterial Virulence.
King et al. (2020)
1 more