2WD6

Crystal structure of the Variable Domain of the Streptococcus gordonii Surface Protein SspB

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	V-region of surface antigen I/II (SA I/II PAC)	8076867	3000865	SCOP2B (2022-06-29)
B	SCOP2 Family	V-region of surface antigen I/II (SA I/II PAC)	8076866	4002134	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	V-region of surface antigen I/II (SA I/II PAC)	8076867	3000865	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF08363	e2wd6A1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: V-region of surface antigen I/II (SA I/II, PAC) (From Topology)	T: V-region of surface antigen I/II (SA I/II, PAC)	F: PF08363	ECOD (1.6)
B	PF08363	e2wd6B1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: V-region of surface antigen I/II (SA I/II, PAC) (From Topology)	T: V-region of surface antigen I/II (SA I/II, PAC)	F: PF08363	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.530.10	Mainly Beta	Sandwich	Major cell-surface adhesin PAc	Major cell-surface adhesin PAc	CATH (4.3.0)
B	2.60.530.10	Mainly Beta	Sandwich	Major cell-surface adhesin PAc	Major cell-surface adhesin PAc	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF06696	Streptococcal surface antigen repeat (Strep_SA_rep)	Streptococcal surface antigen repeat	-	Repeat
A, B	PF08363	Glucan-binding protein C (GbpC)	Glucan-binding protein C	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	AGGLUTININ RECEPTOR	cation binding ion binding binding metal ion binding small molecule binding	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR009578	Cell surface antigen I/II A repeat	Repeat
A, B	IPR013574	Glucan-binding protein C/Surface antigen I/II, V-domain	Domain
A, B	IPR041324	Antigen I/II, N-terminal	Domain
A, B	IPR032300	Cell surface antigen, C-terminal	Domain
A, B	IPR036234	Glucan-binding protein C/Surface antigen I/II, V-domain superfamily	Homologous Superfamily
A, B	IPR026345	Adhesin isopeptide-forming adherence domain	Domain
A, B	IPR021197	Cross-wall-targeting lipoprotein motif	Conserved Site
A, B	IPR019931	LPXTG cell wall anchor domain	Domain

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 R01GM133198.