3sqb

X-ray diffraction
3.2Å resolution

Structure of the major type 1 pilus subunit FimA bound to the FimC chaperone

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-137418 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chaperone protein FimC Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 211 amino acids
Theoretical weight: 23.58 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P31697 (Residues: 37-241; Coverage: 100%)
Gene names: JW4279, b4316, fimC
Sequence domains:
Structure domains: Immunoglobulins
Type-1 fimbrial protein, A chain Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 152 amino acids
Theoretical weight: 15.38 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P04128 (Residues: 37-182; Coverage: 92%)
Gene names: JW4277, b4314, fimA, pilA
Sequence domains: Fimbrial protein
Structure domains: Fimbrial-type adhesion domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21212
Unit cell:
a: 79.62Å b: 142.18Å c: 171.75Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.262 0.26 0.3
Expression system: Escherichia coli BL21(DE3)