Annotations: 6AKE

Crystal structure of mouse claudin-3 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)
C	SCOP2B Superfamily	Claudin-like	8100758	3002606	SCOP2B (2022-06-29)
A	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)
D	La	e6akeD1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: La	ECOD (v294.2)
B	CtsR_C	e6akeB1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: CtsR_C	ECOD (v294.2)
C	La	e6akeC1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: La	ECOD (v294.2)
A	CtsR_C	e6akeA1	A: beta barrels	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: CtsR_C	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.60.120.1050	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
B	2.60.120.1050	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00822	PMP-22/EMP/MP20/Claudin family (PMP22_Claudin)	PMP-22/EMP/MP20/Claudin family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Heat-labile enterotoxin B chain	toxin activity	-	cellular anatomical structure extracellular region
A, C	Claudin-3	cell adhesion molecule binding protein binding binding cell adhesion mediator activity cell-cell adhesion mediator activity structural molecule activity identical protein binding	calcium-independent cell-cell adhesion cell adhesion cell-cell adhesion cellular process 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 calcium-independent cell-cell adhesion cell adhesion cell-cell adhesion cellular process 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 biosynthetic process regulation of cellular process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process developmental process multicellular organismal process epithelium development sensory organ development eye development animal organ development retinal pigment epithelium development retina development in camera-type eye visual system development tissue development multicellular organism development camera-type eye development anatomical structure development sensory system development system development anatomical structure morphogenesis regulation of developmental process cell morphogenesis regulation of cell morphogenesis regulation of anatomical structure morphogenesis cellular developmental process cell development epithelial cell differentiation epithelial cell development epithelial cell morphogenesis cell differentiation cellular component organization organelle organization actin cytoskeleton organization actin filament-based process cellular component organization or biogenesis cytoskeleton organization 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 regulation of phosphate transmembrane transport regulation of localization regulation of transport transport phosphate ion transmembrane transport negative regulation of biological process negative regulation of phosphate transmembrane transport negative regulation of transport regulation of phosphate transport establishment of localization negative regulation of transmembrane transport transmembrane transport localization regulation of transmembrane transport negative regulation of cellular process phosphate ion transport inorganic anion transport negative regulation of locomotion regulation of cell motility regulation of locomotion 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 cell-cell junction maintenance endothelial cell differentiation endothelium development establishment of blood-brain barrier nervous system development endothelial cell development central nervous system development establishment of endothelial blood-brain barrier establishment of endothelial barrier negative regulation of metabolic process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of macromolecule metabolic process regulation of membrane permeability regulation of biological quality biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus response to Gram-positive bacterium transepithelial transport regulation of transepithelial transport	cellular anatomical structure membrane 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

InterPro: Protein Family Classification InterPro Database Homepage

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

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, C	OPM	Transmembrane	Alpha-helical polytopic	Tetraspan junctional complexes	Claudin

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, C	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, C	MemProtMD	Annotated as membrane protein by MemProtMD

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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.

6AKE | pdb_00006ake