3OSS

The crystal structure of enterotoxigenic Escherichia coli GspC-GspD complex from the type II secretion system

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2 Family	T2SSC-like	8046337	4005027	SCOP2 (2022-06-29)
A [auth C]	SCOP2 Superfamily	PilP-like	8091779	3002541	SCOP2 (2022-06-29)
B [auth D]	SCOP2 Family	Secretin repeat domain-like	8045239	4004368	SCOP2 (2022-06-29)
B [auth D]	SCOP2 Family	STN domain-like	8057185	4006665	SCOP2 (2022-06-29)
B [auth D]	SCOP2 Superfamily	Secretin repeat domain-like	8057180	3002387	SCOP2 (2022-06-29)
B [auth D]	SCOP2 Superfamily	STN domain-like	8057186	3002388	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 [auth C]	PF11356	e3ossC1	A: beta barrels	X: GspC HR domain/PilP-like (From Topology)	H: GspC HR domain/PilP-like (From Topology)	T: GspC HR domain/PilP-like	F: PF11356	ECOD (1.6)
B [auth D]	PF03958	e3ossD1	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: Ring-building motif II in type III secretion system (From Topology)	T: Ring-building motif II in type III secretion system	F: PF03958	ECOD (1.6)
B [auth D]	PF21305	e3ossD2	A: a+b complex topology	X: N0 domain in phage tail proteins and secretins-like	H: N0 domain in phage tail proteins and secretins (From Topology)	T: N0 domain in phage tail proteins and secretins	F: PF21305	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth C]	2.30.30.830	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
B [auth D]	3.30.1370.120	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S8	Chain: A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C]	PF11356	Type II secretion system protein C (T2SSC)	Type II secretion system protein C	-	Family
B [auth D]	PF03958	Bacterial type II/III secretion system short domain (Secretin_N)	Bacterial type II/III secretion system short domain	This is a short, often repeated, domain found in bacterial type II/III secretory system proteins. All previous NolW-like domains fall into this family.	Domain
B [auth D]	PF21305	GspD-like, N0 domain (type_II_gspD_N0)	GspD-like, N0 domain	GspD is a type II general secretion pathway protein involved in protein export. This is the N0 domain found at the N-terminal of GspD type II secretins and its close homologues [1-5]. These proteins form a dodecameric ring, in which the N0 domain med ...	GspD is a type II general secretion pathway protein involved in protein export. This is the N0 domain found at the N-terminal of GspD type II secretins and its close homologues [1-5]. These proteins form a dodecameric ring, in which the N0 domain mediate extensive contacts suggesting that dodecameric N0 ring is an important feature of T2SS secretins [4]. This domain is also found in virion export proteins, proteins thought to form a channel across the host outer membrane for the purposes of extruding the bacteriophage.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C]	TYPE 2 SECRETION SYSTEM, GSPC	-	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
B [auth D]	TYPE 2 SECRETION SYSTEM, SECRETIN GSPD	-	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	protein-containing complex type II protein secretion system complex cell periphery cell outer membrane external encapsulating structure membrane cell envelope outer membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C]	IPR001639	Type II secretion system protein GspC	Family
A [auth C]	IPR024961	Type II secretion system protein GspC, N-terminal	Domain
A [auth C]	IPR036034	PDZ superfamily	Homologous Superfamily
B [auth D]	IPR005644	NolW-like	Domain
B [auth D]	IPR004846	Type II/III secretion system, secretin-like domain	Domain
B [auth D]	IPR038591	NolW-like superfamily	Homologous Superfamily
B [auth D]	IPR049371	GspD-like, N0 domain	Domain
B [auth D]	IPR001775	GspD/PilQ family	Family
B [auth D]	IPR013356	Type II secretion system protein GspD	Family

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.