5ELB

Cholera toxin classical B-pentamer in complex with Lewis-y

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	d5elbb_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
C	d5elbc_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
D	d5elbd_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
E	d5elbe_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
F	d5elbf_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
G	d5elbg_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
H	d5elbh_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
A	d5elba_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
I	d5elbi_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	SCOPe (2.08)
J	d5elbj_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	Cholera toxin	(Vibrio cholerae O1 ) [TaxId: 127906 ],	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	8039450	3000434	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Bacterial enterotoxins	8039450	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	Enterotoxin_b	e5elbB1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
C	Enterotoxin_b	e5elbC1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
D	Enterotoxin_b	e5elbD1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
E	Enterotoxin_b	e5elbE1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
F	Enterotoxin_b	e5elbF1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
G	Enterotoxin_b	e5elbG1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
H	Enterotoxin_b	e5elbH1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
A	Enterotoxin_b	e5elbA1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
I	Enterotoxin_b	e5elbI1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
J	Enterotoxin_b	e5elbJ1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
C	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
E	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
F	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
G	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
H	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
I	2.40.50.110	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
J	2.40.50.110	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 A, B, C, D, E, F, G, H, I, J	PF01376	Heat-labile enterotoxin beta chain (Enterotoxin_b)	Heat-labile enterotoxin beta chain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	Cholera enterotoxin B subunit	cation binding ion binding binding metal ion binding small molecule binding	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR001835	Heat-labile enterotoxin, B chain	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR008992	Enterotoxin	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.