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Artificial Metalloproteins with Dinuclear Iron Centers

X-ray diffraction
1.65Å resolution
PDB entry 6vp3 coloured by chain, front view.
PDB entry 6vp3 coloured by chain, side view.
PDB entry 6vp3 coloured by chain, top view.
Source organism: Streptomyces avidinii
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Streptavidin
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Multimeric state: homo tetramer
Accessible surface area: 18552.6 Å2
Buried surface area: 10056.16 Å2
Dissociation area: 4,911.63 Å2
Dissociation energy (ΔGdiss): 47.05 kcal/mol
Dissociation entropy (TΔSdiss): 36.73 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-149694

Macromolecules

Streptavidin
Chains: A, B, C, D
Length: 159 amino acids
Theoretical weight: 16.56 KDa
Source organism: Streptomyces avidinii
Expression system: Escherichia coli
UniProt:
  • Canonical: P22629 (Residues: 38-183; Coverage: 92%)
Pfam: Avidin family
InterPro:
Streptavidin in PDB entry 6vp3, assembly 1, front view.
Streptavidin in PDB entry 6vp3, assembly 1, side view.
Streptavidin in PDB entry 6vp3, assembly 1, top view.
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