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Cryo-EM structure of the Gp168-beta-clamp complex

Electron Microscopy
3.2Å resolution
PDB entry 7evp coloured by chain, front view.
PDB entry 7evp coloured by chain, side view.
PDB entry 7evp coloured by chain, 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: Beta sliding clamp and Gene product 168
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Multimeric state: hetero tetramer
Accessible surface area: 36235.03 Å2
Buried surface area: 6794.44 Å2
Dissociation area: 1,428.72 Å2
Dissociation energy (ΔGdiss): -5.57 kcal/mol
Dissociation entropy (TΔSdiss): 11.77 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-140888

Macromolecules

Beta sliding clamp
Chains: A, B
Length: 377 amino acids
Theoretical weight: 41.96 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: P0A024 (Residues: 1-377; Coverage: 100%)
Gene name: dnaN
Pfam:
InterPro:
Beta sliding clamp in PDB entry 7evp, assembly 1, front view.
Beta sliding clamp in PDB entry 7evp, assembly 1, side view.
Beta sliding clamp in PDB entry 7evp, assembly 1, top view.
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Gene product 168
Chains: C, D
Length: 74 amino acids
Theoretical weight: 9 KDa
Source organism: Twortvirus twort
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q4Z971 (Residues: 1-74; Coverage: 100%)
Gene product 168 in PDB entry 7evp, assembly 1, front view.
Gene product 168 in PDB entry 7evp, assembly 1, side view.
Gene product 168 in PDB entry 7evp, assembly 1, top view.
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