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Crystal structure of a repeat protein with five Protein A repeat modules

X-ray diffraction
3.1Å resolution
PDB entry 5h7b coloured by chain, front view.
PDB entry 5h7b coloured by chain, side view.
PDB entry 5h7b coloured by chain, top view.
Source organism: Staphylococcus aureus
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Immunoglobulin G-binding protein A
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Multimeric state: monomeric
Accessible surface area: 14728.36 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-153667
Assembly 2
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Assembly Name: Immunoglobulin G-binding protein A
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Multimeric state: monomeric
Accessible surface area: 12752.7 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-153667

Macromolecules

Immunoglobulin G-binding protein A
Chains: A, B
Length: 237 amino acids
Theoretical weight: 26.97 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P38507 (Residues: 38-325; Coverage: 49%)
Gene name: spa
Pfam: B domain
InterPro:
Immunoglobulin G-binding protein A in PDB entry 5h7b, assembly 1, front view.
Immunoglobulin G-binding protein A in PDB entry 5h7b, assembly 1, side view.
Immunoglobulin G-binding protein A in PDB entry 5h7b, assembly 1, top view.
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