3X29

CRYSTAL STRUCTURE of MOUSE CLAUDIN-19 IN COMPLEX with C-TERMINAL FRAGMENT OF CLOSTRIDIUM PERFRINGENS ENTEROTOXIN

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
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3x29a_	Membrane and cell surface proteins and peptides	Claudin-like	Claudin-like	Claudin	Claudin-19	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d3x29c_	Membrane and cell surface proteins and peptides	Claudin-like	Claudin-like	Claudin	Claudin-19	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d3x29d_	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	Clostridium perfringens enterotoxin (CPE), C-terminal domain	Clostridium perfringens enterotoxin (CPE), C-terminal domain	(Clostridium perfringens ) [TaxId: 1502 ],	SCOPe (2.08)
B	d3x29b_	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	Clostridium perfringens enterotoxin (CPE), C-terminal domain	Clostridium perfringens enterotoxin (CPE), C-terminal domain	(Clostridium perfringens ) [TaxId: 1502 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Claudin-like	8048283	4006038	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Claudin-like	8092546	3002606	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Claudin-like	8092546	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)
A	PMP22_Claudin	e3x29A1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PMP22_Claudin	ECOD (1.6)
C	PMP22_Claudin	e3x29C1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PMP22_Claudin	ECOD (1.6)
D	EUF07631	e3x29D1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: EUF07631	ECOD (1.6)
B	EUF07631	e3x29B1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: EUF07631	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	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)
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)

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
A, C	Claudin-19	paracellular tight junction channel activity transporter activity 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 cellular component organization cell junction organization tight junction organization cellular component organization or biogenesis cell-cell junction organization regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process 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 cellular component organization cell junction organization tight junction organization cellular component organization or biogenesis cell-cell junction organization regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation 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 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 wound healing response to stimulus 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 regulation of response to wounding regulation of response to stimulus response to stress regulation of response to stress negative regulation of response to external stimulus regulation of wound healing response to wounding cellular component biogenesis cellular component assembly cell junction assembly apical junction assembly cell-cell junction assembly organelle organization actin cytoskeleton organization actin filament-based process cytoskeleton organization bicellular tight junction assembly tight junction assembly renal system process system process renal absorption 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 sensory perception of light stimulus sensory perception nervous system process visual perception 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 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 localization transport paracellular transport establishment of localization 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 action potential propagation action potential transmission of nerve impulse cell communication neuronal action potential propagation regulation of biological quality regulation of membrane potential regulation of localization regulation of transport transepithelial transport regulation of transepithelial transport	cell junction cellular anatomical entity cell-cell junction anchoring junction paranodal junction cell periphery plasma membrane membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane intracellular anatomical structure cytoplasm cell junction cellular anatomical entity cell-cell junction anchoring junction paranodal junction cell periphery plasma membrane membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane intracellular anatomical structure cytoplasm apical junction complex mesaxon ensheathing process compact myelin myelin sheath Schmidt-Lanterman incisure bicellular tight junction tight junction perinuclear region of cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
B, D	Heat-labile enterotoxin B chain	toxin activity	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

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

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, C	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Claudins	Claudin-19 in complex with Clostridium perfringens enterotoxin

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.