PDBe 2y2a

X-ray diffraction
1.91Å resolution

Structure of segment KLVFFA from the amyloid-beta peptide (Ab, residues 16-21), alternate polymorph I

Released:
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:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
P3(40) Chain: A
Molecule details ›
Chain: A
Length: 6 amino acids
Theoretical weight: 725 Da
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P05067 (Residues: 687-692; Coverage: 1%)
Gene names: A4, AD1, APP

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 9.58Å b: 11.85Å c: 42.47Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.208 0.206 0.248
Expression system: Not provided