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SOLUTION STRUCTURE OF THE C-TERMINAL NEGATIVE REGULATORY DOMAIN OF P53 IN A COMPLEX WITH CA2+-BOUND S100B(BB)

Solution NMR
PDB entry 1dt7 coloured by chain, ensemble of 40 models, front view.
PDB entry 1dt7 coloured by chain, ensemble of 40 models, side view.
PDB entry 1dt7 coloured by chain, ensemble of 40 models, top view.
Source organisms:
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Isoform 7 of Cellular tumor antigen p53 and Protein S100-B
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Multimeric state: hetero tetramer
Accessible surface area: 13307.26 Å2
Buried surface area: 5412.6 Å2
Dissociation area: 1,082.94 Å2
Dissociation energy (ΔGdiss): -5.01 kcal/mol
Dissociation entropy (TΔSdiss): 18.54 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-138094

Macromolecules

Protein S100-B
Chains: A, B
Length: 92 amino acids
Theoretical weight: 10.76 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: P04631 (Residues: 1-92; Coverage: 100%)
Gene name: S100b
Pfam:
InterPro:
CATH: EF-hand
SCOP: S100 proteins
Protein S100-B in PDB entry 1dt7, assembly 1, front view.
Protein S100-B in PDB entry 1dt7, assembly 1, side view.
Protein S100-B in PDB entry 1dt7, assembly 1, top view.
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Isoform 7 of Cellular tumor antigen p53
Chains: X, Y
Length: 22 amino acids
Theoretical weight: 2.6 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P04637-7 (Residues: 235-256; Coverage: 8%)
Gene names: P53, TP53
SCOP: Tumor suppressor p53 fragments
Isoform 7 of Cellular tumor antigen p53 in PDB entry 1dt7, assembly 1, front view.
Isoform 7 of Cellular tumor antigen p53 in PDB entry 1dt7, assembly 1, side view.
Isoform 7 of Cellular tumor antigen p53 in PDB entry 1dt7, assembly 1, top view.
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