1QNU

Shiga-Like Toxin I B Subunit Complexed with the Bridged-Starfish Inhibitor

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1qnub_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Verotoxin-1/shiga-toxin, B-pentamer	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
D	d1qnud_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Verotoxin-1/shiga-toxin, B-pentamer	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
A	d1qnua_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Verotoxin-1/shiga-toxin, B-pentamer	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
C	d1qnuc_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Verotoxin-1/shiga-toxin, B-pentamer	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
E	d1qnue_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Verotoxin-1/shiga-toxin, B-pentamer	(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	SCOP2B Superfamily	Bacterial enterotoxins	8041845	3000434	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial enterotoxins	8041845	3000434	SCOP2B (2022-06-29)
A	SCOP2 Family	Bacterial AB5 toxins B-subunits	8029466	4001827	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Bacterial enterotoxins	8041845	3000434	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Bacterial enterotoxins	8041845	3000434	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Bacterial enterotoxins	8041845	3000434	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	SLT_beta	e1qnuB1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: SLT_beta	ECOD (1.6)
D	SLT_beta	e1qnuD1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: SLT_beta	ECOD (1.6)
A	SLT_beta	e1qnuA1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: SLT_beta	ECOD (1.6)
C	SLT_beta	e1qnuC1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: SLT_beta	ECOD (1.6)
E	SLT_beta	e1qnuE1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: SLT_beta	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.50.70	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	2.40.50.70	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A	2.40.50.70	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
C	2.40.50.70	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
E	2.40.50.70	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	PF02258	Shiga-like toxin beta subunit (SLT_beta)	Shiga-like toxin beta subunit	This family represents the B subunit of shiga-like toxin (SLT or verotoxin) produced by some strains of E.coli associated with hemorrhagic colitis and hemolytic uremic syndrome. SLT's are composed of one enzymatic A subunit and five cell binding B s ...	This family represents the B subunit of shiga-like toxin (SLT or verotoxin) produced by some strains of E.coli associated with hemorrhagic colitis and hemolytic uremic syndrome. SLT's are composed of one enzymatic A subunit and five cell binding B subunits.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Shiga toxin 1 variant B subunit	-	biological process involved in interspecies interaction between organisms modulation by symbiont of host process modulation of host virulence by virus viral process modulation by virus of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated cytolysis of host cell disruption of cell in another organism hemolysis by symbiont of host erythrocytes cytolysis cytolysis in another organism cellular process biological process involved in interspecies interaction between organisms modulation by symbiont of host process modulation of host virulence by virus viral process modulation by virus of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated cytolysis of host cell disruption of cell in another organism hemolysis by symbiont of host erythrocytes cytolysis cytolysis in another organism cellular process disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR008992	Enterotoxin	Homologous Superfamily
A, B, C, D, E	IPR003189	Shiga-like toxin, beta subunit	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.