4OZA

Backbone Modifications in the Protein GB1 Helix: beta-3-Ala24, beta-3-Lys28, beta-3-Gln32, beta-3-Asp36

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
Protein Modification Annotation

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	8090290	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	IgG_binding_B	e4ozaA1	A: a+b two layers	X: beta-Grasp	H: Immunoglobulin-binding domains (From Topology)	T: Immunoglobulin-binding domains	F: IgG_binding_B	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	Streptococcal Protein GB1 Backbone Modified Variant: beta-3-Ala24, beta-3-Lys28, beta-3-Gln32, beta-3-Asp36	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	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
A	IPR019950	M protein-type anchor domain	Domain
A	IPR005877	YSIRK Gram-positive signal peptide	Domain
A	IPR000724	IgG-binding B	Domain
A	IPR035152	GA-like domain	Domain
A	IPR019931	LPXTG cell wall anchor domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	B3A	Parent Component: ALA
A	B3D	Parent Component: ASP
A	B3K	Parent Component: LYS
A	B3Q
A	NH2	RESID: AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100 PSI-MOD : L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109

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.