Structure analysis

Crystal Structure of the MDM2-MDMX RING Domain Heterodimer

X-ray diffraction
2.3Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1
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Multimeric state: hetero dimer
Accessible surface area: 6676.2 Å2
Buried surface area: 2693.89 Å2
Dissociation area: 1,346.94 Å2
Dissociation energy (ΔGdiss): 19.37 kcal/mol
Dissociation entropy (TΔSdiss): 9.99 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-127327
Assembly 2 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 6712.08 Å2
Buried surface area: 2916.29 Å2
Dissociation area: 1,332.06 Å2
Dissociation energy (ΔGdiss): 18.19 kcal/mol
Dissociation entropy (TΔSdiss): 10.01 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-127327

Macromolecules

Chains: A, C
Length: 64 amino acids
Theoretical weight: 7.09 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q00987 (Residues: 428-491; Coverage: 13%)
Gene name: MDM2
Pfam: Zinc finger, C3HC4 type (RING finger)
InterPro:
CATH: Zinc/RING finger domain, C3HC4 (zinc finger)

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Chains: B, D
Length: 63 amino acids
Theoretical weight: 7.08 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O15151 (Residues: 428-490; Coverage: 13%)
Gene names: MDM4, MDMX
Pfam: Zinc finger, C3HC4 type (RING finger)
InterPro:
CATH: Zinc/RING finger domain, C3HC4 (zinc finger)

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