› 4q79

X-ray diffraction
3.1Å resolution

Structure of a HG-derivative CsgG

Released:
DOI: 10.2210/pdb4q79/pdb
PDB entry 4q79 coloured by chain, front view.
PDB entry 4q79 coloured by chain, side view.
PDB entry 4q79 coloured by chain, top view.
Source organism: Escherichia coli Xuzhou21
Primary publication:
Structure of the nonameric bacterial amyloid secretion channel.
Cao B, Zhao Y, Kou Y, Ni D, Zhang XC, Huang Y
Proc Natl Acad Sci U S A 111 E5439-44 (2014)
PMID: 25453093

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo nonamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-101271 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Curli production assembly/transport component CsgG Chains: A, B, C, D, E, F, G, H, I
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I
Length: 277 amino acids
Theoretical weight: 30.58 KDa
Source organism: Escherichia coli Xuzhou21
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A0F6C2F5 (Residues: 1-277; Coverage: 100%)
Gene names: CDCO157_1350, csgG
Sequence domains: Curli production assembly/transport component CsgG

Ligands and Environments

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

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P21212
Unit cell:
a: 171.64Å b: 176.88Å c: 104.99Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.24 0.236 0.278
Expression system: Escherichia coli

Quick links

Citations

14 review citations

Half a century of amyloids: past, present and future.
Ke et al. (2020)
13 more

3 mentions without citation

Post-expression strategies for structural investigations of membrane proteins.
Columbus L. (2015)
2 more