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

X-ray diffraction
1.451Å resolution
PDB entry 3q2x coloured by chain, front view.
PDB entry 3q2x coloured by chain, side view.
PDB entry 3q2x coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
homo hexamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Soluble APP-beta
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Multimeric state: homo hexamer
Accessible surface area: 3485.34 Å2
Buried surface area: 2243.28 Å2
Dissociation area: 1,121.64 Å2
Dissociation energy (ΔGdiss): -9.93 kcal/mol
Dissociation entropy (TΔSdiss): 26.54 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-138402

Macromolecules

P3(40)
Chain: A
Length: 6 amino acids
Theoretical weight: 616 Da
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P05067 (Residues: 698-703; Coverage: 1%)
Gene names: A4, AD1, APP
P3(40) in PDB entry 3q2x, assembly 1, front view.
P3(40) in PDB entry 3q2x, assembly 1, side view.
P3(40) in PDB entry 3q2x, assembly 1, top view.
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