Annotations: 6QNT

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Cadherin-like	8091816	3002049	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Virus attachment protein globular domain	8033000	3001376	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Virus attachment protein globular domain	8033000	3001376	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Virus attachment protein globular domain	8033000	3001376	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	AAA_lid_3	e6qntD1	A: a/b three-layered sandwiches	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: Family A G protein-coupled receptor-like	F: AAA_lid_3	ECOD (v294.1)
B	p450	e6qntB1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: p450	ECOD (v294.1)
C	p450	e6qntC1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: p450	ECOD (v294.1)
A	p450	e6qntA1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: p450	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.90.10	Mainly Beta	Sandwich	Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)	Adenovirus pIV-related, attachment domain	CATH (utative)
C	2.60.90.10	Mainly Beta	Sandwich	Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)	Adenovirus pIV-related, attachment domain	CATH (utative)
A	2.60.90.10	Mainly Beta	Sandwich	Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)	Adenovirus pIV-related, attachment domain	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D	PF00028	Cadherin domain (Cadherin)	Cadherin domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	Desmoglein-2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding cell adhesion molecule binding protein binding cell adhesive protein binding involved in bundle of His cell-Purkinje myocyte communication cell adhesion mediator activity cell-cell adhesion mediator activity protein binding involved in heterotypic cell-cell adhesion	regulation of defense response response to stimulus regulation of response to external stimulus negative regulation of inflammatory response negative regulation of biological process regulation of response to wounding response to stress regulation of response to stress response to wounding regulation of biological process regulation of inflammatory response to wounding defense response negative regulation of response to stimulus biological regulation regulation of defense response response to stimulus regulation of response to external stimulus negative regulation of inflammatory response negative regulation of biological process regulation of response to wounding response to stress regulation of response to stress response to wounding regulation of biological process regulation of inflammatory response to wounding defense response negative regulation of response to stimulus biological regulation response to external stimulus regulation of inflammatory response negative regulation of response to wounding negative regulation of inflammatory response to wounding regulation of response to stimulus negative regulation of response to external stimulus inflammatory response to wounding negative regulation of defense response inflammatory response cellular component organization cell junction organization desmosome organization cellular process cellular component organization or biogenesis cell-cell junction organization response to ketone response to lipid response to hormone response to steroid hormone response to chemical response to endogenous stimulus response to progesterone response to oxygen-containing compound regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death multi-multicellular organism process multicellular organismal process maternal process involved in female pregnancy reproductive process multicellular organismal reproductive process female pregnancy multi-organism reproductive process heart process system process regulation of heart contraction regulation of system process homotypic cell-cell adhesion cell communication heterotypic cell-cell adhesion cell adhesion circulatory system process cell-cell adhesion regulation of multicellular organismal process cell communication involved in cardiac conduction blood circulation bundle of His cell to Purkinje myocyte communication cardiac muscle cell-cardiac muscle cell adhesion regulation of blood circulation cardiac conduction bundle of His cell-Purkinje myocyte adhesion involved in cell communication heart contraction developmental process regulation of developmental process positive regulation of biological process regulation of stem cell population maintenance stem cell population maintenance positive regulation of developmental process positive regulation of stem cell population maintenance positive regulation of multicellular organismal process maintenance of cell number regulation of actin filament-based process cardiac muscle cell action potential involved in contraction regulation of ventricular cardiac muscle cell action potential cardiac muscle contraction striated muscle contraction regulation of cardiac muscle cell action potential actin filament-based process regulation of biological quality cardiac muscle cell contraction regulation of action potential ventricular cardiac muscle cell action potential regulation of cardiac muscle contraction action potential actin filament-based movement muscle contraction muscle system process regulation of muscle system process regulation of striated muscle contraction regulation of actin filament-based movement regulation of muscle contraction regulation of cardiac muscle cell contraction actin-mediated cell contraction cardiac muscle cell action potential regulation of membrane potential positive regulation of cell adhesion regulation of cell adhesion positive regulation of cellular process heart development cardiac conduction system development cardiac muscle tissue development animal organ development Purkinje myocyte development tissue development striated muscle tissue development circulatory system development multicellular organism development ventricular cardiac muscle tissue development anatomical structure development muscle tissue development His-Purkinje system development system development stem cell proliferation cell population proliferation regulation of epithelial to mesenchymal transition cellular developmental process regulation of cell differentiation mesenchyme development cell differentiation negative regulation of cell differentiation negative regulation of developmental process negative regulation of epithelial to mesenchymal transition epithelial to mesenchymal transition mesenchymal cell differentiation negative regulation of multicellular organismal process endothelium development epithelial cell differentiation regulation of epithelial cell differentiation epithelium development regulation of multicellular organismal development negative regulation of epithelial cell differentiation endothelial cell differentiation regulation of endothelial cell differentiation negative regulation of endothelial cell differentiation regulation of sprouting angiogenesis angiogenesis regulation of vasculature development tube morphogenesis positive regulation of sprouting angiogenesis regulation of anatomical structure morphogenesis blood vessel development blood vessel morphogenesis tube development positive regulation of angiogenesis sprouting angiogenesis vasculature development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis homophilic cell-cell adhesion regulation of localization regulation of protein localization regulation of protein localization to cell-cell junction protein localization to cell-cell junction localization macromolecule localization positive regulation of protein localization to cell-cell junction positive regulation of protein localization intracellular protein localization protein localization to cell junction mesenchymal to epithelial transition regulation of heart rate by cardiac conduction regulation of heart rate	cellular anatomical structure cell junction cell periphery plasma membrane membrane cornified envelope cell-cell junction anchoring junction apical part of cell plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure cell junction cell periphery plasma membrane membrane cornified envelope cell-cell junction anchoring junction apical part of cell plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle cell surface intracellular anatomical structure cytoplasm desmosome lateral plasma membrane intercalated disc cell-cell contact zone
A, B, C	Fiber protein	-	virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host adhesion receptor-mediated virion attachment to host cell biological process involved in interaction with host biological process involved in symbiotic interaction cell adhesion cellular process symbiont entry into host cell symbiont entry into host	viral capsid virion component host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D	IPR027397	Catenin binding domain superfamily	Homologous Superfamily
D	IPR015919	Cadherin-like superfamily	Homologous Superfamily
D	IPR009122	Desmosomal cadherin	Family
D	IPR020894	Cadherin conserved site	Conserved Site
D	IPR050971	Cadherin domain-containing protein	Family
D	IPR002126	Cadherin-like	Domain
A, B, C	IPR009013	Attachment protein shaft domain superfamily	Homologous Superfamily
A, B, C	IPR000978	Adenoviral fibre protein, knob	Domain
A, B, C	IPR008982	Adenovirus pIV-like, attachment domain	Homologous Superfamily
A, B, C	IPR000931	Adenovirus fibre protein	Family
A, B, C	IPR000939	Adenoviral fibre protein, repeat/shaft region	Repeat

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
D	Pharos: Q14126	arrhythmogenic right ventricular cardiomyopathy dilated cardiomyopathy 1BB arrhythmogenic right ventricular dysplasia 10 dilated cardiomyopathy cardiomyopathy lung adenocarcinoma malignant glioma MALT lymphoma non-small cell lung carcinoma acute myeloid leukemia palmoplantar keratosis atypical teratoid rhabdoid tumor primitive neuroectodermal tumor Charcot-Marie-Tooth disease transitional cell carcinoma arrhythmogenic right ventricular cardiomyopathy dilated cardiomyopathy 1BB arrhythmogenic right ventricular dysplasia 10 dilated cardiomyopathy cardiomyopathy lung adenocarcinoma malignant glioma MALT lymphoma non-small cell lung carcinoma acute myeloid leukemia palmoplantar keratosis atypical teratoid rhabdoid tumor primitive neuroectodermal tumor Charcot-Marie-Tooth disease transitional cell carcinoma esophageal adenocarcinoma familial isolated dilated cardiomyopathy interstitial cystitis lung cancer malignant mesothelioma medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma breast cancer psoriasis Conduction disorder of the heart facioscapulohumeral muscular dystrophy glioblastoma large cell medulloblastoma malignant ependymoma malignant pancreatic neoplasm nasopharyngeal carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm pulmonary hypertension cystic fibrosis erythrokeratoderma familial dilated cardiomyopathy hypertrophic cardiomyopathy

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.