Structure analysis

Crystal structure of the E. coli BamCD complex

X-ray diffraction
2.9Å resolution
Source organism: Escherichia coli K-12
Assemblies composition:
hetero dimer
hetero tetramer (preferred)
hetero octamer
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1
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Multimeric state: hetero dimer
Accessible surface area: 19420.91 Å2
Buried surface area: 5148.67 Å2
Dissociation area: 2,355.9 Å2
Dissociation energy (ΔGdiss): 24.84 kcal/mol
Dissociation entropy (TΔSdiss): 13.11 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141774
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 20111.03 Å2
Buried surface area: 5290.49 Å2
Dissociation area: 2,363.25 Å2
Dissociation energy (ΔGdiss): 24.38 kcal/mol
Dissociation entropy (TΔSdiss): 13.14 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141774
Assembly 3 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 37587.39 Å2
Buried surface area: 12383.7 Å2
Dissociation area: 931.22 Å2
Dissociation energy (ΔGdiss): 1.25 kcal/mol
Dissociation entropy (TΔSdiss): 14.42 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-141776
Assembly 4
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Multimeric state: hetero octamer
Accessible surface area: 68141.15 Å2
Buried surface area: 31798.8 Å2
Dissociation area: 2,491.41 Å2
Dissociation energy (ΔGdiss): 30.92 kcal/mol
Dissociation entropy (TΔSdiss): 16.06 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-141777

Macromolecules

Chains: A, B
Length: 229 amino acids
Theoretical weight: 26.13 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Best match: P0AC02 (Residues: 21-245)
Gene names: JW2577, b2595, bamD, yfiO

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Chains: C, D
Length: 323 amino acids
Theoretical weight: 34.71 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Best match: P0A903 (Residues: 26-344)
Gene names: JW2462, b2477, bamC, dapX, nlpB

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