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High-resolution structure of two tandem B domains of staphylococcal protein A connected by the conserved linker

Source organism: Staphylococcus aureus
Biochemical function: immunoglobulin binding
Biological process: not assigned
Cellular component: not assigned

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GO terms

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

Sequence family

Pfam Protein family (Pfam)
PF02216
Domain description: B domain
Occurring in:
  1. Immunoglobulin G-binding protein A
The deposited structure of PDB entry 4npf contains 4 copies of Pfam domain PF02216 (B domain) in Immunoglobulin G-binding protein A. Showing 2 copies in chain A [auth Y].

InterPro InterPro annotations
IPR009063
Domain description: Immunoglobulin/albumin-binding domain superfamily
Occurring in:
  1. Immunoglobulin G-binding protein A
IPR003132
Domain description: Protein A, Ig-binding domain
Occurring in:
  1. Immunoglobulin G-binding protein A

Structure domain

CATH CATH domain
1.20.5.420
Class: Mainly Alpha
Architecture: Up-down Bundle
Topology: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homology: Immunoglobulin FC, subunit C
Occurring in:
  1. Immunoglobulin G-binding protein A
The deposited structure of PDB entry 4npf contains 4 copies of CATH domain 1.20.5.420 (Single alpha-helices involved in coiled-coils or other helix-helix interfaces) in Immunoglobulin G-binding protein A. Showing 2 copies in chain A [auth Y].

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