2uy7

X-ray diffraction
2.6Å resolution

Crystal structure of the P pilus rod subunit PapA

Released:
Primary publication:
Crystal structure of the P pilus rod subunit PapA.
PLoS Pathog 3 e73 (2007)
PMID: 17511517

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-137414 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Periplasmid chaperone PapD protein Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 218 amino acids
Theoretical weight: 24.59 KDa
Source organism: Escherichia coli UTI89
Expression system: Escherichia coli
UniProt:
  • Canonical: Q1R2W9 (Residues: 22-239; Coverage: 100%)
Gene names: UTI89_C4892, papD
Sequence domains:
Structure domains: Immunoglobulins
Pap fimbrial major pilin protein Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 163 amino acids
Theoretical weight: 16.63 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P04127 (Residues: 23-185; Coverage: 100%)
Gene name: papA
Sequence domains: Fimbrial protein
Structure domains: Fimbrial-type adhesion domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P3221
Unit cell:
a: 166.96Å b: 166.96Å c: 178.01Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.23 0.23 0.266
Expression system: Escherichia coli