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The structure of chaperone SecB in complex with unstructured proPhoA binding site e

Solution NMR
PDB entry 5jtp coloured by chain, ensemble of 20 models, front view.
PDB entry 5jtp coloured by chain, ensemble of 20 models, side view.
PDB entry 5jtp coloured by chain, ensemble of 20 models, top view.
Source organisms:
Assembly composition:
hetero octamer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Protein-export protein SecB and Alkaline phosphatase
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Multimeric state: hetero octamer
Accessible surface area: 34239.78 Å2
Buried surface area: 18775.19 Å2
Dissociation area: 1,123.17 Å2
Dissociation energy (ΔGdiss): 9.83 kcal/mol
Dissociation entropy (TΔSdiss): 9.93 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-132775

Macromolecules

Protein-export protein SecB
Chains: A, B, C, D
Length: 155 amino acids
Theoretical weight: 17.29 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AG86 (Residues: 1-155; Coverage: 100%)
Gene names: JW3584, b3609, secB
Pfam: Preprotein translocase subunit SecB
InterPro:
CATH: SecB-like
Protein-export protein SecB in PDB entry 5jtp, assembly 1, front view.
Protein-export protein SecB in PDB entry 5jtp, assembly 1, side view.
Protein-export protein SecB in PDB entry 5jtp, assembly 1, top view.
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Alkaline phosphatase
Chains: E, F, G, H
Length: 22 amino acids
Theoretical weight: 2.4 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P00634 (Residues: 450-471; Coverage: 5%)
Gene names: JW0374, b0383, phoA
Pfam: Alkaline phosphatase
Alkaline phosphatase in PDB entry 5jtp, assembly 1, front view.
Alkaline phosphatase in PDB entry 5jtp, assembly 1, side view.
Alkaline phosphatase in PDB entry 5jtp, assembly 1, top view.
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