X-ray diffraction
1.63Å resolution

Structure of metal- free rTp34 from Treponema pallidum


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
34 kDa membrane antigen Chains: A, B
Molecule details ›
Chains: A, B
Length: 189 amino acids
Theoretical weight: 20.44 KDa
Source organism: Treponema pallidum
Expression system: Escherichia coli
  • Canonical: P19478 (Residues: 16-204; Coverage: 100%)
Gene names: TP_0971, tpd
Sequence domains: Fe2+ transport protein
Structure domains: Periplasmic metal-binding protein Tp34-type

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 34.251Å b: 66.034Å c: 151.019Å
α: 90° β: 90° γ: 90°
R R work R free
0.19 0.189 0.219
Expression system: Escherichia coli