1MPE

Ensemble of 20 structures of the tetrameric mutant of the B1 domain of streptococcal protein G

External Resource: Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1mpea_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Immunoglobulin-binding domains	Immunoglobulin-binding domains	Immunoglobulin-binding protein G, different constituent domains	(Streptococcus sp. 'group G ) [TaxId: 1320 ],	SCOPe (2.08)
B	d1mpeb_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Immunoglobulin-binding domains	Immunoglobulin-binding domains	Immunoglobulin-binding protein G, different constituent domains	(Streptococcus sp. 'group G ) [TaxId: 1320 ],	SCOPe (2.08)
C	d1mpec_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Immunoglobulin-binding domains	Immunoglobulin-binding domains	Immunoglobulin-binding protein G, different constituent domains	(Streptococcus sp. 'group G ) [TaxId: 1320 ],	SCOPe (2.08)
D	d1mped_	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Immunoglobulin-binding domains	Immunoglobulin-binding domains	Immunoglobulin-binding protein G, different constituent domains	(Streptococcus sp. 'group G ) [TaxId: 1320 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Immunoglobulin-binding domains-like	8090292	3000399	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin-binding domains-like	8090292	3000399	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Immunoglobulin-binding domains-like	8090292	3000399	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Immunoglobulin-binding domains-like	8090292	3000399	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)
A	PF01378	e1mpeA1	A: a+b two layers	X: beta-Grasp	H: Immunoglobulin-binding domains (From Topology)	T: Immunoglobulin-binding domains	F: PF01378	ECOD (1.6)
B	PF01378	e1mpeB1	A: a+b two layers	X: beta-Grasp	H: Immunoglobulin-binding domains (From Topology)	T: Immunoglobulin-binding domains	F: PF01378	ECOD (1.6)
C	PF01378	e1mpeC1	A: a+b two layers	X: beta-Grasp	H: Immunoglobulin-binding domains (From Topology)	T: Immunoglobulin-binding domains	F: PF01378	ECOD (1.6)
D	PF01378	e1mpeD1	A: a+b two layers	X: beta-Grasp	H: Immunoglobulin-binding domains (From Topology)	T: Immunoglobulin-binding domains	F: PF01378	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.10	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
B	3.10.20.10	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
C	3.10.20.10	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
D	3.10.20.10	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01378	B domain (IgG_binding_B)	B domain	This domain is found as a tandem repeat in Streptococcal cell surface proteins, such as the IgG binding protein G.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Immunoglobulin G binding protein G	protein-containing complex binding binding immunoglobulin binding IgG binding	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR019950	M protein-type anchor domain	Domain
A, B, C, D	IPR005877	YSIRK Gram-positive signal peptide	Domain
A, B, C, D	IPR000724	IgG-binding B	Domain
A, B, C, D	IPR035152	GA-like domain	Domain
A, B, C, D	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.