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Structure of metal- free rTp34 from Treponema pallidum

X-ray diffraction
1.63Å resolution
PDB 2o6f coloured by chain and viewed from the front.
PDB 2o6f coloured by chain and viewed from the side.
PDB 2o6f coloured by chain and viewed from the top.
Source organism: Treponema pallidum
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Multimeric state: homo dimer
Accessible surface area: 15000 Å2
Buried surface area: 4200 Å2
Dissociation area: 1,600 Å2
Dissociation energy (ΔGdiss): 17 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -65 kcal/mol
Symmetry number: 2

Macromolecules

34 kDa membrane antigen
Chains: A, B
Length: 189 amino acids
Theoretical weight: 20.44 KDa
Source organism: Treponema pallidum
Expression system: Escherichia coli
UniProt:
  • Canonical: P19478 (Residues: 16-204; Coverage: 100%)
Gene names: TP_0971, tpd
Pfam: Fe2+ transport protein
InterPro:
CATH: Periplasmic metal-binding protein Tp34-type
PDB 2o6f contains 2 copies of 34 kDa membrane antigen in assembly 1. This protein is highlighted and viewed from the front.
PDB 2o6f contains 2 copies of 34 kDa membrane antigen in assembly 1. This protein is highlighted and viewed from the side.
PDB 2o6f contains 2 copies of 34 kDa membrane antigen in assembly 1. This protein is highlighted and viewed from the top.
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