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Trimeric efflux pump Klebsiella TolC

Electron Microscopy
3.3Å resolution
PDB entry 7ng9 coloured by chain, front view.
PDB entry 7ng9 coloured by chain, side view.
PDB entry 7ng9 coloured by chain, top view.
Source organism: Klebsiella quasipneumoniae
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Outer membrane channel protein TolC
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Multimeric state: homo trimer
Accessible surface area: 55645.12 Å2
Buried surface area: 14537.74 Å2
Dissociation area: 7,268.87 Å2
Dissociation energy (ΔGdiss): 50.72 kcal/mol
Dissociation entropy (TΔSdiss): 32.29 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-103297

Macromolecules

Outer membrane channel protein TolC
Chains: A, B, C
Length: 494 amino acids
Theoretical weight: 54.06 KDa
Source organism: Klebsiella quasipneumoniae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A1C3Q001 (Residues: 1-486; Coverage: 100%)
Gene names: CP911_05930, H8L09_13410, tolC
Pfam: Outer membrane efflux protein
InterPro:
Outer membrane protein tolC in PDB entry 7ng9, assembly 1, front view.
Outer membrane protein tolC in PDB entry 7ng9, assembly 1, side view.
Outer membrane protein tolC in PDB entry 7ng9, assembly 1, top view.
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