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Crystal structure of a de novo designed parallel four-helix coiled coil, 4-KE-4.

X-ray diffraction
1.5Å resolution
PDB entry 6xy1 coloured by chain, front view.
PDB entry 6xy1 coloured by chain, side view.
PDB entry 6xy1 coloured by chain, top view.
Source organism: synthetic construct
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: 4-ke-4
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Multimeric state: homo tetramer
Accessible surface area: 7676.07 Å2
Buried surface area: 6289.87 Å2
Dissociation area: 2,800.23 Å2
Dissociation energy (ΔGdiss): 20.51 kcal/mol
Dissociation entropy (TΔSdiss): 28.13 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-167810

Macromolecules

4-KE-4
Chains: A, B, C, D
Length: 32 amino acids
Theoretical weight: 3.69 KDa
Source organism: synthetic construct
Expression system: Not provided
4-KE-4 in PDB entry 6xy1, assembly 1, front view.
4-KE-4 in PDB entry 6xy1, assembly 1, side view.
4-KE-4 in PDB entry 6xy1, assembly 1, top view.
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