Annotations: 4L63

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
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)
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)
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)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	EcxA-like	8045337	4004421	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Metalloproteases (zincins) catalytic domain	8090288	3001975	SCOP2 (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)
C	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Bacterial enterotoxins	8080125	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)
A	EUF08660	e4l63A1	A: mixed a+b and a/b	X: Zincin-like	H: Metalloproteases (zincins) catalytic domain (From Topology)	T: Metalloproteases (zincins) catalytic domain	F: EUF08660	ECOD (1.6)
A	DUF4953_like	e4l63A2	A: mixed a+b and a/b	X: Zincin-like	H: Metalloproteases (zincins) catalytic domain (From Topology)	T: Metalloproteases (zincins) catalytic domain	F: DUF4953_like	ECOD (1.6)
B	Enterotoxin_b	e4l63B1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
C	Enterotoxin_b	e4l63C1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
D	Enterotoxin_b	e4l63D1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
E	Enterotoxin_b	e4l63E1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: Enterotoxin_b	ECOD (1.6)
F	Enterotoxin_b	e4l63F1	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)
A	3.40.390.10	Alpha Beta	3-Layer(aba) Sandwich	Collagenase (Catalytic Domain)	Collagenase (Catalytic Domain)	CATH (4.3.0)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, C, D, E, F	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	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	-	-
B, C, D, E, F	ECXB	-	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

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

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.