PDBe 3q2x

X-ray diffraction
1.45Å resolution

Structure of an amyloid forming peptide NKGAII (residues 27-32) from amyloid beta

Source organism: Homo sapiens
Primary publication:
Molecular basis for amyloid-beta polymorphism.
Proc. Natl. Acad. Sci. U.S.A. 108 16938-43 (2011)
PMID: 21949245

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
P3(40) Chain: A
Molecule details ›
Chain: A
Length: 6 amino acids
Theoretical weight: 616 Da
Source organism: Homo sapiens
Expression system: Not provided
  • Canonical: P05067 (Residues: 698-703; Coverage: 1%)
Gene names: A4, AD1, APP

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: P21
Unit cell:
a: 15.074Å b: 4.838Å c: 24.016Å
α: 90° β: 95.56° γ: 90°
R R work R free
0.21 0.204 0.259
Expression system: Not provided