4FNF | pdb_00004fnf

LT-IIB-B5 S74D mutant

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)
J	d4fnfj_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
I	d4fnfi_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
H [auth C]	d4fnfc_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
G [auth B]	d4fnfb_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F [auth A]	d4fnfa_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E [auth H]	d4fnfh_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D [auth G]	d4fnfg_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C [auth F]	d4fnff_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B [auth E]	d4fnfe_	All beta proteins	OB-fold	Bacterial enterotoxins	Bacterial AB5 toxins, B-subunits	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A [auth D]	d4fnfd_	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)
J	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
H [auth C]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
G [auth B]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
F [auth A]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
E [auth H]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
D [auth G]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
C [auth F]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
B [auth E]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	3000434	SCOP2B (2022-06-29)
A [auth D]	SCOP2B Superfamily	Bacterial enterotoxins	8034859	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	LT-IIB	e4fnfJ1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
I	LT-IIB	e4fnfI1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
H [auth C]	LT-IIB	e4fnfC1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
G [auth B]	LT-IIB	e4fnfB1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
F [auth A]	LT-IIB	e4fnfA1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
E [auth H]	LT-IIB	e4fnfH1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
D [auth G]	LT-IIB	e4fnfG1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
C [auth F]	LT-IIB	e4fnfF1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
B [auth E]	LT-IIB	e4fnfE1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)
A [auth D]	LT-IIB	e4fnfD1	A: beta barrels	X: OB-fold	H: Bacterial enterotoxins (From Topology)	T: Bacterial enterotoxins	F: LT-IIB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
I	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
H [auth C]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
G [auth B]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
F [auth A]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
E [auth H]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D [auth G]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
C [auth F]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
B [auth E]	2.40.50.50	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A [auth D]	2.40.50.50	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 [auth D], B [auth E], C [auth F], D [auth G], E [auth H], A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], F [auth A], G [auth B], H [auth C], I, J	PF06453	Type II heat-labile enterotoxin , B subunit (LT-IIB) (LT-IIB)	Type II heat-labile enterotoxin , B subunit (LT-IIB)	Family of B subunits from the type II heat-labile enterotoxin. The B subunits form a pentameric ring, which interacts with one A subunit. Thus, the structural arrangement of type I and type II heat-labile enterotoxins are very similar [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], F [auth A], G [auth B], H [auth C], I, J	Heat-labile enterotoxin IIB, B chain	toxin activity	-	host cellular component cellular anatomical structure host cell part host cell membrane other organism part extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], F [auth A], G [auth B], H [auth C], I, J	IPR010503	Type II heat-labile enterotoxin, B subunit	Family
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], F [auth A], G [auth B], H [auth C], I, J	IPR038629	Type II heat-labile enterotoxin, B subunit superfamily	Homologous Superfamily
A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], A [auth D], B [auth E], C [auth F], D [auth G], E [auth H], F [auth A], G [auth B], H [auth C], 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.