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CRYSTAL STRUCTURE OF P53 TETRAMERIZATION DOMAIN

X-ray diffraction
1.7Å resolution
PDB entry 1c26 coloured by chain, front view.
PDB entry 1c26 coloured by chain, side view.
PDB entry 1c26 coloured by chain, top view.
Source organism: Homo sapiens
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: Cellular tumor antigen p53
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Multimeric state: homo tetramer
Accessible surface area: 8267.61 Å2
Buried surface area: 6751.13 Å2
Dissociation area: 975.28 Å2
Dissociation energy (ΔGdiss): 14.58 kcal/mol
Dissociation entropy (TΔSdiss): 10.17 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-138138

Macromolecules

Cellular tumor antigen p53
Chain: A
Length: 32 amino acids
Theoretical weight: 3.82 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04637 (Residues: 325-356; Coverage: 8%)
Gene names: P53, TP53
Pfam: P53 tetramerisation motif
InterPro:
SCOP: p53 tetramerization domain
Cellular tumor antigen p53 in PDB entry 1c26, assembly 1, front view.
Cellular tumor antigen p53 in PDB entry 1c26, assembly 1, side view.
Cellular tumor antigen p53 in PDB entry 1c26, assembly 1, top view.
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