› 2os7

X-ray diffraction
2.9Å resolution

Caf1M periplasmic chaperone tetramer

Released:
DOI: 10.2210/pdb2os7/pdb
PDB entry 2os7 coloured by chain, front view.
PDB entry 2os7 coloured by chain, side view.
PDB entry 2os7 coloured by chain, top view.
Source organism: Yersinia pestis
Primary publication:
A novel self-capping mechanism controls aggregation of periplasmic chaperone Caf1M.
Zavialov AV, Knight SD
Mol Microbiol 64 153-64 (2007)
PMID: 17376079

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-150884 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Chaperone protein caf1M Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 235 amino acids
Theoretical weight: 26.33 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli
UniProt:
  • Canonical: P26926 (Residues: 24-258; Coverage: 99%)
Gene names: Y1098, YPMT1.82, YP_pMT084, caf1M
Sequence domains:
Structure domains: Immunoglobulins

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P21212
Unit cell:
a: 141.092Å b: 174.267Å c: 60.58Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.252 0.249 0.298
Expression system: Escherichia coli

Quick links

Citations

4 review citations

Adhesive organelles of Gram-negative pathogens assembled with the classical chaperone/usher machinery: structure and function from a clinical standpoint.
Zav'yalov et al. (2010)
3 more

1 mention without citation

Structure of CfaA suggests a new family of chaperones essential for assembly of class 5 fimbriae.
Bao et al. (2014)