Structure analysis

CONFORMATIONAL CHANGES IN THE (ALA-84-VAL) MUTANT OF TUMOR NECROSIS FACTOR

X-ray diffraction
3.1Å resolution
Source organism: Homo sapiens
Assemblies composition:
homo hexamer
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1
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Multimeric state: homo hexamer
Accessible surface area: 34800 Å2
Buried surface area: 15700 Å2
Dissociation area: 900 Å2
Dissociation energy (ΔGdiss): -12 kcal/mol
Dissociation entropy (TΔSdiss): 13 kcal/mol
Interface energy (ΔGint): -68 kcal/mol
Symmetry number: 2
Assembly 2 (preferred)
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Multimeric state: homo trimer
Accessible surface area: 18500 Å2
Buried surface area: 6900 Å2
Dissociation area: 3,500 Å2
Dissociation energy (ΔGdiss): 29 kcal/mol
Dissociation entropy (TΔSdiss): 25 kcal/mol
Interface energy (ΔGint): -38 kcal/mol
Symmetry number: 3
Assembly 3
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Multimeric state: homo trimer
Accessible surface area: 18100 Å2
Buried surface area: 7000 Å2
Dissociation area: 3,500 Å2
Dissociation energy (ΔGdiss): 26 kcal/mol
Dissociation entropy (TΔSdiss): 25 kcal/mol
Interface energy (ΔGint): -35 kcal/mol
Symmetry number: 3

Macromolecules

Chains: A, B, C, D, E, F
Length: 157 amino acids
Theoretical weight: 17.4 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P01375 (Residues: 77-233; Coverage: 67%)
Gene names: TNF, TNFA, TNFSF2
Pfam: TNF(Tumour Necrosis Factor) family
InterPro:
CATH: Jelly Rolls
SCOP: TNF-like

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