› 4xa2

X-ray diffraction
1.98Å resolution

Structure of the Major Type IV pilin of Acinetobacter baumannii

Released:
DOI: 10.2210/pdb4xa2/pdb
PDB entry 4xa2 coloured by chain, front view.
PDB entry 4xa2 coloured by chain, side view.
PDB entry 4xa2 coloured by chain, top view.
Source organism: Escherichia coli O157:H7
Entry authors: Piepenbrink KH, Sundberg EJ

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142613 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Maltose/maltodextrin-binding periplasmic protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 498 amino acids
Theoretical weight: 53.61 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P0AEX9 (Residues: 27-392; Coverage: 99%)
Gene names: JW3994, b4034, malE
Sequence domains: Bacterial extracellular solute-binding protein

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC
Carbohydrate polymer
1 bound ligand:
Ligand EDO 3 x EDO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P21
Unit cell:
a: 41.018Å b: 128.3Å c: 92.505Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.181 0.241
Expression system: Escherichia coli BL21

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