3G20

Crystal structure of the major pseudopilin from the type 2 secretion system of enterohaemorrhagic Escherichia coli

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	d3g20a_	Alpha and beta proteins (a+b)	Pili subunits	Pili subunits	Pseudopilin	automated matches	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
B	d3g20b_	Alpha and beta proteins (a+b)	Pili subunits	Pili subunits	Pseudopilin	automated matches	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Pili subunits	8077729	3000097	SCOP2B (2022-06-29)
B	SCOP2 Family	Pseudopilin	8077728	4003689	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Pili subunits	8077729	3000097	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	T2SSG	e3g20A1	A: a+b two layers	X: Pili subunits (From Topology)	H: Pili subunits (From Topology)	T: Pili subunits	F: T2SSG	ECOD (1.6)
B	T2SSG	e3g20B1	A: a+b two layers	X: Pili subunits (From Topology)	H: Pili subunits (From Topology)	T: Pili subunits	F: T2SSG	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.700.10	Alpha Beta	2-Layer Sandwich	Glycoprotein, Type 4 Pilin	Glycoprotein, Type 4 Pilin	CATH (4.3.0)
B	3.30.700.10	Alpha Beta	2-Layer Sandwich	Glycoprotein, Type 4 Pilin	Glycoprotein, Type 4 Pilin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF08334	Type II secretion system (T2SS), protein G (T2SSG)	Type II secretion system (T2SS), protein G	-	Family
A, B	PF07963	Prokaryotic N-terminal methylation motif (N_methyl)	Prokaryotic N-terminal methylation motif	-	Motif

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Type II secretion protein	cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion organic substance transport establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport protein localization protein transport across the cell outer membrane establishment of protein localization cellular localization nitrogen compound transport transport secretion organic substance transport establishment of protein localization to extracellular region export from cell protein secretion by the type II secretion system protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport cellular macromolecule localization macromolecule localization cellular process	cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex type II protein secretion system complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR010054	Type II secretion system protein GspG	Family
A, B	IPR000983	Bacterial general secretion pathway protein G-type pilin	Family
A, B	IPR013545	Type II secretion system protein GspG, C-terminal	Domain
A, B	IPR012902	Prokaryotic N-terminal methylation site	PTM
A, B	IPR045584	Pilin-like	Homologous Superfamily

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.