1XM9

Structure of the armadillo repeat domain of plakophilin 1

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1xm9a1	All alpha proteins	alpha-alpha superhelix	ARM repeat	Plakophilin 1 helical region	Plakophilin 1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Plakophilin 1 helical region	8021415	4001543	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ARM repeat-like	8033795	3000116	SCOP2 (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	Arm	e1xm9A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: Arm	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00514	Armadillo/beta-catenin-like repeat (Arm)	Armadillo/beta-catenin-like repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	plakophilin 1	structural constituent of skin epidermis structural molecule activity RNA binding binding organic cyclic compound binding nucleic acid binding intermediate filament binding DNA binding cell adhesion molecule binding cadherin binding protein binding lamin binding	regulation of cellular process negative regulation of biological process positive regulation of macromolecule biosynthetic process negative regulation of cellular metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process regulation of RNA metabolic process negative regulation of nucleobase-containing compound metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process RNA catabolic process mRNA catabolic process regulation of biological process regulation of cellular process negative regulation of biological process positive regulation of macromolecule biosynthetic process negative regulation of cellular metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process regulation of RNA metabolic process negative regulation of nucleobase-containing compound metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process RNA catabolic process mRNA catabolic process regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process negative regulation of RNA metabolic process catabolic process cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular metabolic process macromolecule catabolic process negative regulation of mRNA metabolic process regulation of mRNA catabolic process positive regulation of biosynthetic process negative regulation of cellular process positive regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of catabolic process biological regulation negative regulation of mRNA catabolic process negative regulation of RNA catabolic process regulation of macromolecule metabolic process regulation of catabolic process gene expression mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process positive regulation of gene expression cellular process regulation of mRNA metabolic process positive regulation of cellular biosynthetic process positive regulation of cell adhesion regulation of cell adhesion positive regulation of cell-cell adhesion cell adhesion cell-cell adhesion regulation of cell-cell adhesion cellular response to stimulus response to stimulus signaling signal transduction cell communication intermediate filament cytoskeleton organization cellular component biogenesis cellular component organization intermediate filament organization intermediate filament-based process organelle organization intermediate filament bundle assembly cellular component assembly cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization positive regulation of DNA-templated transcription RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription transcription by RNA polymerase II regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process regulation of DNA-templated transcription developmental process epithelium development ameloblast differentiation cellular developmental process cell differentiation anatomical structure development columnar/cuboidal epithelial cell differentiation tissue development epithelial cell differentiation	cell periphery plasma membrane membrane cellular anatomical entity cornified envelope polymeric cytoskeletal fiber intracellular anatomical structure intermediate filament cytoskeleton intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle intermediate filament supramolecular fiber cell periphery plasma membrane membrane cellular anatomical entity cornified envelope polymeric cytoskeletal fiber intracellular anatomical structure intermediate filament cytoskeleton intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle intermediate filament supramolecular fiber supramolecular polymer supramolecular complex non-membrane-bounded organelle cytoplasm membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen cell-cell junction adherens junction anchoring junction cell junction desmosome ficolin-1-rich granule membrane intracellular vesicle ficolin-1-rich granule endomembrane system tertiary granule cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle secretory granule secretory vesicle vesicle organelle membrane secretory granule membrane nuclear stress granule ribonucleoprotein granule perinuclear region of cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR000225	Armadillo	Repeat
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR028435	Plakophilin/Delta catenin	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q13835	epidermolysis bullosa simplex due to plakophilin deficiency breast cancer esophageal adenocarcinoma Liver carcinoma spina bifida epidermolysis bullosa hepatocellular carcinoma non-small cell lung carcinoma interstitial cystitis psoriasis

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.