6AKF

Crystal structure of mouse claudin-3 P134A mutant in complex with C-terminal fragment of Clostridium perfringens enterotoxin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth C]	SCOP2 Family	Claudin-like	8100757	4006038	SCOP2 (2022-06-29)
B [auth C]	SCOP2 Superfamily	Claudin-like	8100758	3002606	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Claudin-like	8100758	3002606	SCOP2B (2022-06-29)
C [auth E]	SCOP2B Superfamily	Claudin-like	8100758	3002606	SCOP2B (2022-06-29)
D [auth G]	SCOP2B Superfamily	Claudin-like	8100758	3002606	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)
B [auth C]	PF00822	e6akfC1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
A	PF00822	e6akfA1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
C [auth E]	PF00822	e6akfE1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
D [auth G]	PF00822	e6akfG1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PF00822	ECOD (1.6)
E [auth B]	PF03505	e6akfB1	A: beta sandwiches	X: jelly-roll	H: Galactose-binding domain-like (From Topology)	T: Galactose-binding domain-like	F: PF03505	ECOD (1.6)
F [auth D]	PF03505	e6akfD1	A: beta sandwiches	X: jelly-roll	H: Galactose-binding domain-like (From Topology)	T: Galactose-binding domain-like	F: PF03505	ECOD (1.6)
G [auth F]	PF03505	e6akfF1	A: beta sandwiches	X: jelly-roll	H: Galactose-binding domain-like (From Topology)	T: Galactose-binding domain-like	F: PF03505	ECOD (1.6)
H	PF03505	e6akfH1	A: beta sandwiches	X: jelly-roll	H: Galactose-binding domain-like (From Topology)	T: Galactose-binding domain-like	F: PF03505	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth C]	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
A	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
C [auth E]	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
D [auth G]	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
E [auth B]	2.60.120.1050	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
F [auth D]	2.60.120.1050	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
G [auth F]	2.60.120.1050	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
H	2.60.120.1050	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C], C [auth E], D [auth G]	PF00822	PMP-22/EMP/MP20/Claudin family (PMP22_Claudin)	PMP-22/EMP/MP20/Claudin family	-	Family
E [auth B], F [auth D], G [auth F], H	PF03505	Clostridium enterotoxin (Clenterotox)	Clostridium enterotoxin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C], C [auth E], D [auth G]	Claudin-3	structural molecule activity identical protein binding protein binding binding	cell adhesion cell-cell adhesion calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules cellular process cell-cell adhesion via plasma-membrane adhesion molecules positive regulation of response to wounding wound healing regulation of biological process response to stimulus biological regulation positive regulation of biological process regulation of response to wounding positive regulation of response to stimulus positive regulation of wound healing cell adhesion cell-cell adhesion calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules cellular process cell-cell adhesion via plasma-membrane adhesion molecules positive regulation of response to wounding wound healing regulation of biological process response to stimulus biological regulation positive regulation of biological process regulation of response to wounding positive regulation of response to stimulus positive regulation of wound healing regulation of response to stimulus response to stress regulation of response to stress regulation of wound healing response to wounding regulation of cellular process cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process developmental process anatomical structure morphogenesis regulation of developmental process anatomical structure development cell morphogenesis regulation of cell morphogenesis regulation of anatomical structure morphogenesis epithelium development cellular developmental process cell development tissue development epithelial cell differentiation epithelial cell development epithelial cell morphogenesis cell differentiation regulation of response to external stimulus negative regulation of response to stimulus negative regulation of wound healing negative regulation of biological process response to external stimulus negative regulation of response to wounding negative regulation of response to external stimulus cellular component organization organelle organization actin cytoskeleton organization actin filament-based process cellular component organization or biogenesis cytoskeleton organization response to organic substance response to alcohol response to chemical response to oxygen-containing compound response to ethanol bicellular tight junction assembly tight junction organization apical junction assembly cellular component biogenesis cell junction organization cellular component assembly cell junction assembly tight junction assembly cell-cell junction assembly cell-cell junction organization negative regulation of locomotion regulation of cell motility regulation of locomotion negative regulation of cellular process regulation of cell migration negative regulation of cell motility cell migration cell motility negative regulation of cell migration locomotion negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation positive regulation of locomotion positive regulation of cell migration positive regulation of cell motility cell junction maintenance cellular component maintenance response to decreased oxygen levels response to hypoxia response to oxygen levels response to abiotic stimulus multicellular organismal process endothelial cell differentiation endothelium development establishment of blood-brain barrier nervous system development endothelial cell development multicellular organism development central nervous system development establishment of endothelial blood-brain barrier establishment of endothelial barrier system development positive regulation of cellular component organization regulation of cellular component organization positive regulation of cellular component biogenesis regulation of cellular component biogenesis regulation of cell junction assembly positive regulation of cell junction assembly positive regulation of phosphorylation regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of protein modification process regulation of phosphate metabolic process phosphate-containing compound metabolic process protein metabolic process positive regulation of protein phosphorylation phosphorus metabolic process protein modification process organonitrogen compound metabolic process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process primary metabolic process macromolecule modification regulation of phosphorus metabolic process regulation of phosphorylation negative regulation of cellular metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of cellular biosynthetic process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of membrane permeability regulation of biological quality regulation of bicellular tight junction assembly positive regulation of bicellular tight junction assembly biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external biotic stimulus response to biotic stimulus response to Gram-positive bacterium regulation of localization localization regulation of transport transport transepithelial transport establishment of localization regulation of transepithelial transport	membrane cellular anatomical entity cell-cell junction anchoring junction cell junction cell periphery plasma membrane apicolateral plasma membrane plasma membrane region protein-containing complex apical junction complex bicellular tight junction tight junction lateral plasma membrane
E [auth B], F [auth D], G [auth F], H	Heat-labile enterotoxin B chain	toxin activity	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C], C [auth E], D [auth G]	IPR006187	Claudin	Family
A, B [auth C], C [auth E], D [auth G]	IPR004031	PMP-22/EMP/MP20/Claudin	Family
A, B [auth C], C [auth E], D [auth G]	IPR003549	Claudin-3	Family
A, B [auth C], C [auth E], D [auth G]	IPR017974	Claudin, conserved site	Conserved Site
E [auth B], F [auth D], G [auth F], H	IPR003897	Clostridium enterotoxin	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B [auth C], C [auth E], D [auth G]	OPM	Transmembrane	Alpha-helical polytopic	Tetraspan junctional complexes	Claudin

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B [auth C], C [auth E], D [auth G]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B [auth C], C [auth E], D [auth G]	MemProtMD	Annotated as membrane protein by MemProtMD

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 R01GM133198.