2P5Z

The E. coli c3393 protein is a component of the type VI secretion system and exhibits structural similarity to T4 bacteriophage tail proteins gp27 and gp5

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 [auth X]	d2p5zx1	All beta proteins	OB-fold	gp5 N-terminal domain-like	gp4 N-terminal domain-like	Hypothetical protein c3393	(Escherichia coli O6 ) [TaxId: 217992 ],	SCOPe (2.08)
A [auth X]	d2p5zx2	All beta proteins	Phage tail proteins	Phage tail proteins	Baseplate protein-like	Hypothetical protein c3393	(Escherichia coli O6 ) [TaxId: 217992 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth X]	SCOP2 Family	gp4 N-terminal domain-like	8023038	4003074	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Family	Baseplate protein-like	8023040	4003106	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Family	Baseplate protein-like	8023042	4003106	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Superfamily	gp5 N-terminal domain-like	8035418	3000235	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Superfamily	Phage tail proteins	8035420	3000268	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Superfamily	Phage tail proteins	8035422	3000268	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 X]	Phage_GPD_1st	e2p5zX1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Phage_GPD_1st	ECOD (1.6)
A [auth X]	Phage_GPD_4th	e2p5zX2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Phage_GPD_4th	ECOD (1.6)
A [auth X]	Phage_base_V	e2p5zX3	A: beta barrels	X: OB-fold	H: Tail-associated lysozyme gp5-N (From Topology)	T: Tail-associated lysozyme gp5-N	F: Phage_base_V	ECOD (1.6)
A [auth X]	Phage_GPD_2nd	e2p5zX4	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: Phage_GPD_2nd	ECOD (1.6)
A [auth X]	vgr_GE	e2p5zX5	A: a+b complex topology	X: C-terminal insertion domain in phage tail proteins (From Topology)	H: C-terminal insertion domain in phage tail proteins (From Topology)	T: C-terminal insertion domain in phage tail proteins	F: vgr_GE	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth X]	2.30.110.50	Mainly Beta	Roll	Pnp Oxidase	Chain A	CATH (4.3.0)
A [auth X]	3.55.50.10	Alpha Beta	3-Layer(bab) Sandwich	Phage tail protein beta-alpha-beta fold	Baseplate protein-like domains	CATH (4.3.0)
A [auth X]	4.10.180.10	Few Secondary Structures	Irregular	Black beetle virus capsid protein		CATH (4.3.0)
A [auth X]	2.40.50.230	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Gp5 N-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth X]	PF04717	Type VI secretion system/phage-baseplate injector OB domain (Phage_base_V)	Type VI secretion system/phage-baseplate injector OB domain	Family of bacterial and phage baseplate assembly proteins responsible for forming the small spike at the end of the tail or bacterial pathogenic needle-shaft [1]. This entry represents the OB fold part of the structure. This structure contains an unu ...	Family of bacterial and phage baseplate assembly proteins responsible for forming the small spike at the end of the tail or bacterial pathogenic needle-shaft [1]. This entry represents the OB fold part of the structure. This structure contains an unusual extra beta hairpin that forms the foundation of the spike protein's beta helix [3].	Domain
A [auth X]	PF05954	Phage tail baseplate hub (GPD) (Phage_GPD)	Phage tail baseplate hub (GPD)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth X]	Type VI secretion system component	identical protein binding protein binding binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth X]	IPR017847	Type VI secretion system, RhsGE-associated Vgr family subset	Family
A [auth X]	IPR018769	Type VI secretion system spike protein VgrG2, domain of unknown function DUF2345	Domain
A [auth X]	IPR006531	Gp5/Type VI secretion system Vgr protein, OB-fold domain	Domain
A [auth X]	IPR037026	Vgr protein, OB-fold domain superfamily	Homologous Superfamily
A [auth X]	IPR006533	Type VI secretion system, RhsGE-associated Vgr protein	Family
A [auth X]	IPR028244	Putative type VI secretion system, Rhs element associated Vgr domain	Domain

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.