4NPF | pdb_00004npf

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

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth X]	d4npfx1	All alpha proteins	immunoglobulin/albumin-binding domain-like	Bacterial immunoglobulin/albumin-binding domains	Immunoglobulin-binding protein A modules	automated matches	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)
A [auth Y]	d4npfy1	All alpha proteins	immunoglobulin/albumin-binding domain-like	Bacterial immunoglobulin/albumin-binding domains	Immunoglobulin-binding protein A modules	automated matches	(Staphylococcus aureus ) [TaxId: 1280 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth X]	SCOP2B Superfamily	Bacterial immunoglobulin/albumin-binding domains	8091639	3001373	SCOP2B (2022-06-29)
A [auth Y]	SCOP2B Superfamily	Bacterial immunoglobulin/albumin-binding domains	8091639	3001373	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth X]	CDPS	e4npfX1	A: a/b three-layered sandwiches	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: CDPS	ECOD (v294.1)
A [auth Y]	CDPS	e4npfY1	A: a/b three-layered sandwiches	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: CDPS	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth X]	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)
A [auth Y]	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth Y], B [auth X]	Immunoglobulin G-binding protein A	protein-containing complex binding binding immunoglobulin binding IgG binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.