Annotations: 4L63

Apo form of AB5 holotoxin

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	d4l63e1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E	d4l63e2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F	d4l63f_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4l63d1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4l63d2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4l63c1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4l63c2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4l63b1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4l63b2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(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	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
B	SCOP2 Family	Bacterial AB5 toxins, B-subunits	8080124	4001827	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2 (2022-06-29)
A	SCOP2 Family	EcxA-like	8045337	4004421	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Metalloproteases (zincins), catalytic domain	8090288	3001975	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)
E	Dynamin_N	e4l63E1	A: beta barrels	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: Dynamin_N	ECOD (v294.2)
F	Dynamin_N	e4l63F1	A: beta barrels	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: Dynamin_N	ECOD (v294.2)
D	Dynamin_N	e4l63D1	A: beta barrels	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: Dynamin_N	ECOD (v294.2)
C	Dynamin_N	e4l63C1	A: beta barrels	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: Dynamin_N	ECOD (v294.2)
B	Dynamin_N	e4l63B1	A: beta barrels	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: Dynamin_N	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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	3.40.390.10	Alpha Beta	3-Layer(aba) Sandwich	Collagenase (Catalytic Domain)	Collagenase (Catalytic Domain)	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, C, D, E, F	ECXB	-	-	cellular anatomical structure extracellular region
A	ECXA	peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, C, D, E, F	IPR001835	Heat-labile enterotoxin, B chain	Family
B, C, D, E, F	IPR008992	Enterotoxin	Homologous Superfamily
A	IPR024079	Metallopeptidase, catalytic domain superfamily	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.