Annotations: 1QCB

ESCHERICHIA COLI HEAT LABILE ENTEROTOXIN TYPE IIB B-PENTAMER

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
E [auth H]	d1qcbh_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Heat-labile toxin	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D [auth G]	d1qcbg_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Heat-labile toxin	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C [auth F]	d1qcbf_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Heat-labile toxin	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B [auth E]	d1qcbe_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Heat-labile toxin	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A [auth D]	d1qcbd_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Heat-labile toxin	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E [auth H]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
D [auth G]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
C [auth F]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
B [auth E]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
A [auth D]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	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)
E [auth H]	Cpn10	e1qcbH1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Cpn10	ECOD (v295.2)
D [auth G]	Cpn10	e1qcbG1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Cpn10	ECOD (v295.2)
C [auth F]	Cpn10	e1qcbF1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Cpn10	ECOD (v295.2)
B [auth E]	Cpn10	e1qcbE1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Cpn10	ECOD (v295.2)
A [auth D]	Cpn10	e1qcbD1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Cpn10	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth H]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D [auth G]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
C [auth F]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
B [auth E]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A [auth D]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H]	PROTEIN (HEAT LABILE ENTEROTOXIN TYPE IIB B-PENTAMER)	toxin activity	-	host cellular component cellular anatomical structure host cell part host cell membrane other organism part extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H]	IPR010503	Type II heat-labile enterotoxin, B subunit	Family
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H]	IPR038629	Type II heat-labile enterotoxin, B subunit superfamily	Homologous Superfamily
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H]	IPR008992	Enterotoxin	Homologous Superfamily

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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.