Annotations: 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
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)
J	d5elbj_	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)
H	d5elbh_	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)
F	d5elbf_	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)
D	d5elbd_	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)
B	d5elbb_	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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
J	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Bacterial enterotoxins	8039450	3000434	SCOP2B (2022-06-29)
A	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)
J	PK_Tyr_Ser-Thr	e5elbJ1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
I	PK_Tyr_Ser-Thr	e5elbI1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
H	PK_Tyr_Ser-Thr	e5elbH1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
G	PK_Tyr_Ser-Thr	e5elbG1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
F	PK_Tyr_Ser-Thr	e5elbF1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
E	PK_Tyr_Ser-Thr	e5elbE1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
D	PK_Tyr_Ser-Thr	e5elbD1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
C	PK_Tyr_Ser-Thr	e5elbC1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
B	PK_Tyr_Ser-Thr	e5elbB1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)
A	PK_Tyr_Ser-Thr	e5elbA1	A: a/b three-layered sandwiches	X: HTH	H: HUP domains	T: HUP domains	F: PK_Tyr_Ser-Thr	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J	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)
H	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)
F	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)
D	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)
B	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)

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

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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.