3G20 | pdb_00003g20

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)
B	d3g20b_	Alpha and beta proteins (a+b)	Pili subunits	Pili subunits	Pseudopilin	automated matches	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
A	d3g20a_	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)
B	SCOP2 Family	Pseudopilin	8077728	4003689	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Pili subunits	8077729	3000097	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Pili subunits	8077729	3000097	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)
B	Ribosomal_L36	e3g20B1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Ribosomal_L36	ECOD (v294.1)
A	Glutaredoxin	e3g20A1	A: a/b three-layered sandwiches	X: Alpha-beta plaits	H: HMA-related	T: HMA, heavy metal-associated domain	F: Glutaredoxin	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

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

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 transport across the cell outer membrane establishment of protein localization transport secretion 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 protein transport across the cell outer membrane establishment of protein localization transport secretion 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 macromolecule localization cellular process intracellular protein localization	cell periphery cellular anatomical structure plasma membrane membrane 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	IPR013545	Type II secretion system protein GspG, C-terminal	Domain
A, B	IPR000983	General secretion pathway protein G-type pilin	Family
A, B	IPR012902	Prokaryotic N-terminal methylation site	PTM
A, B	IPR045584	Pilin-like	Homologous Superfamily

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.