Annotations: 1H0T

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1h0ta1	All alpha proteins	immunoglobulin/albumin-binding domain-like	Bacterial immunoglobulin/albumin-binding domains	Immunoglobulin-binding protein A modules	Immunoglobulin-binding protein A modules	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
A	d1h0ta2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
B	d1h0tb_	All alpha proteins	immunoglobulin/albumin-binding domain-like	Bacterial immunoglobulin/albumin-binding domains	Immunoglobulin-binding protein A modules	Immunoglobulin-binding protein A modules	(synthetic construct ) [TaxId: 32630 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02216	e1h0tA1	A: alpha bundles	X: immunoglobulin/albumin-binding domain-like	H: Bacterial immunoglobulin/albumin-binding domains (From Topology)	T: Bacterial immunoglobulin/albumin-binding domains	F: PF02216	ECOD (1.6)
B	PF02216	e1h0tB1	A: alpha bundles	X: immunoglobulin/albumin-binding domain-like	H: Bacterial immunoglobulin/albumin-binding domains (From Topology)	T: Bacterial immunoglobulin/albumin-binding domains	F: PF02216	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.420	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Immunoglobulin FC, subunit C	CATH (4.3.0)
B	1.20.5.420	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Immunoglobulin FC, subunit C	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02216	B domain (B)	B domain	This family contains the B domain of Staphylococcal protein A, which specifically binds to the Fc portion of immunoglobulin G.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	IMMUNOGLOBULIN G BINDING PROTEIN A	protein-containing complex binding binding immunoglobulin binding IgG binding	-	extracellular region cellular anatomical entity
B	ZSPA-1 AFFIBODY	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
A	IPR005877	YSIRK Gram-positive signal peptide	Domain
A	IPR036779	LysM domain superfamily	Homologous Superfamily
A	IPR005038	Octapeptide repeat	Repeat
A	IPR003132	Protein A, Ig-binding domain	Domain
A	IPR018392	LysM domain	Domain
A	IPR019931	LPXTG cell wall anchor domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.