3FIL | pdb_00003fil

Structural and energetic determinants for hyperstable variants of GB1 obtained from in-vitro evolution

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
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3fila_	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	d3filb_	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	8090290	3000399	SCOP2B (2022-06-29)
B	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	e3filA1	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)
B	IgG_binding_B	e3filB1	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)
B	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
B	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	Immunoglobulin G-binding protein G	protein-containing complex binding binding immunoglobulin binding IgG binding	-	cellular anatomical structure extracellular region
B	Immunoglobulin G-binding protein G	protein-containing complex binding binding immunoglobulin binding IgG binding	-	cellular anatomical structure extracellular region

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
B	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
B	IPR019950	M protein-type anchor domain	Domain
B	IPR005877	YSIRK Gram-positive signal peptide	Domain
B	IPR000724	IgG-binding B	Domain
B	IPR035152	GA-like domain	Domain
B	IPR019931	LPXTG cell wall anchor domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	FME	Parent Component: MET RESID: AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891

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.