4L6T | pdb_00004l6t

GM1 bound form of the ECX 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)
F	d4l6tf1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F	d4l6tf2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E	d4l6te1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E	d4l6te2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4l6td1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4l6td2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4l6tc1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4l6tc2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4l6tb1	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4l6tb2	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)
F	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
E	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	SCOP2B Superfamily	Bacterial enterotoxins	8080125	3000434	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Metalloproteases (zincins), catalytic domain	8090288	3001975	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)
F	Sigma70_r2,Sigma70_ner	e4l6tF1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Sigma70_r2,Sigma70_ner	ECOD (v294.1)
E	Sigma70_r2,Sigma70_ner	e4l6tE1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Sigma70_r2,Sigma70_ner	ECOD (v294.1)
D	Sigma70_r2,Sigma70_ner	e4l6tD1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Sigma70_r2,Sigma70_ner	ECOD (v294.1)
C	Sigma70_r2,Sigma70_ner	e4l6tC1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Sigma70_r2,Sigma70_ner	ECOD (v294.1)
B	Sigma70_r2,Sigma70_ner	e4l6tB1	A: a/b three-layered sandwiches	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: Sigma70_r2,Sigma70_ner	ECOD (v294.1)
A	PFK	e4l6tA1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PFK	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	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

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.