Annotations: 4JKQ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ins145_P3_rec	e4jkqA1	A: beta duplicates or obligate multimers	X: beta-Trefoil (From Topology)	H: beta-Trefoil (From Topology)	T: beta-Trefoil	F: Ins145_P3_rec	ECOD (1.6)
A	MIR	e4jkqA3	A: beta duplicates or obligate multimers	X: beta-Trefoil (From Topology)	H: beta-Trefoil (From Topology)	T: beta-Trefoil	F: MIR	ECOD (1.6)
A	RYDR_ITPR_1	e4jkqA2	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: RYDR_ITPR_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.80.10.50	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)		CATH (4.3.0)
A	1.25.10.30	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	IP3 receptor type 1 binding core, RIH domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02815	MIR domain (MIR)	MIR domain	The MIR (protein mannosyltransferase, IP3R and RyR) domain is a domain that may have a ligand transferase function [1].	Domain
A	PF01365	RIH domain (RYDR_ITPR)	RIH domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ryanodine receptor 2	calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity ligand-gated calcium channel activity inorganic cation transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity ligand-gated calcium channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity calcium-induced calcium release activity ryanodine-sensitive calcium-release channel activity amide binding binding organic acid binding ion binding organic cyclic compound binding anion binding suramin binding sulfur compound binding small molecule binding protein binding calmodulin binding identical protein binding cation binding calcium ion binding metal ion binding transmembrane transporter binding protein kinase A binding protein kinase A regulatory subunit binding protein kinase A catalytic subunit binding kinase binding enzyme binding protein kinase binding	response to stimulus response to activity response to muscle activity heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation positive regulation of biological process positive regulation of heart rate positive regulation of blood circulation positive regulation of heart contraction response to stimulus response to activity response to muscle activity heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation positive regulation of biological process positive regulation of heart rate positive regulation of blood circulation positive regulation of heart contraction circulatory system process regulation of blood circulation positive regulation of multicellular organismal process regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate muscle contraction muscle system process striated muscle contraction positive regulation of the force of heart contraction regulation of the force of heart contraction response to redox state regulation of AV node cell action potential AV node cell action potential regulation of cellular process signaling cell-cell signaling involved in cardiac conduction cell communication regulation of cardiac muscle cell action potential cell communication involved in cardiac conduction regulation of action potential AV node cell to bundle of His cell signaling cell-cell signaling action potential AV node cell to bundle of His cell communication cardiac conduction regulation of cell communication cellular process cardiac muscle cell action potential regulation of membrane potential 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 actin filament-based process cardiac muscle cell contraction ventricular cardiac muscle cell action potential regulation of cardiac muscle contraction actin filament-based movement 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 response to chemical response to nitrogen compound response to purine-containing compound response to organic cyclic compound response to caffeine response to alkaloid cellular response to nitrogen compound cellular response to stimulus cellular response to caffeine cellular response to organic cyclic compound cellular response to chemical stimulus cellular response to alkaloid cellular response to purine-containing compound inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of cytosolic calcium ion concentration SA node cell to atrial cardiac muscle cell signaling SA node cell to atrial cardiac muscle cell communication SA node cell action potential regulation of SA node cell action potential regulation of localization cellular localization maintenance of location in cell localization positive regulation of sequestering of calcium ion regulation of sequestering of calcium ion positive regulation of cellular process sequestering of calcium ion maintenance of location heart morphogenesis embryo development embryonic heart tube development multicellular organism development tube morphogenesis embryonic heart tube morphogenesis anatomical structure development animal organ morphogenesis epithelial tube morphogenesis embryonic organ development system development embryonic organ morphogenesis developmental process heart development epithelium development tube development embryonic morphogenesis animal organ development morphogenesis of an epithelium tissue development circulatory system development anatomical structure morphogenesis tissue morphogenesis regulation of calcium ion transport negative regulation of biological process sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum calcium ion transport intracellular signal transduction intracellular signaling cassette signal transduction monoatomic cation transport release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport calcium-mediated signaling transport monoatomic ion transmembrane transport regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion metal ion transport regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport negative regulation of cellular process monoatomic ion transport regulation of metal ion transport calcium ion transmembrane import into cytosol regulation of cardiac muscle contraction by calcium ion signaling regulation of transport regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus regulation of atrial cardiac muscle cell action potential regulation of cardiac conduction atrial cardiac muscle cell to AV node cell signaling atrial cardiac muscle cell to AV node cell communication atrial cardiac muscle cell action potential positive regulation of cytosolic calcium ion concentration calcium ion transport into cytosol cell communication by electrical coupling involved in cardiac conduction cell communication by electrical coupling apoptotic process cell death programmed cell death epithelial cell apoptotic process type B pancreatic cell apoptotic process protein localization establishment of protein localization establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle establishment of protein localization to endoplasmic reticulum protein localization to endoplasmic reticulum ventricular cardiac muscle tissue morphogenesis striated muscle tissue development muscle structure development left ventricular cardiac muscle tissue morphogenesis ventricular cardiac muscle tissue development cardiac chamber development muscle tissue development muscle organ development cardiac chamber morphogenesis cardiac muscle tissue development muscle tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis cardiac left ventricle morphogenesis cardiac ventricle development muscle organ morphogenesis establishment of localization in cell response to epinephrine cellular response to epinephrine stimulus muscle hypertrophy cardiac muscle hypertrophy striated muscle hypertrophy Purkinje myocyte to ventricular cardiac muscle cell communication Purkinje myocyte to ventricular cardiac muscle cell signaling detection of stimulus response to metal ion detection of chemical stimulus detection of calcium ion response to calcium ion response to mechanical stimulus response to external stimulus response to muscle stretch	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum sarcoplasmic reticulum sarcoplasmic reticulum membrane cytoplasm junctional sarcoplasmic reticulum membrane organelle membrane endoplasmic reticulum membrane Z disc sarcomere I band intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cell periphery sarcolemma plasma membrane smooth endoplasmic reticulum protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036300	Mir domain superfamily	Homologous Superfamily
A	IPR000699	RIH domain	Domain
A	IPR013662	RyR/IP3R Homology associated domain	Domain
A	IPR016093	MIR motif	Domain
A	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
A	IPR002048	EF-hand domain	Domain
A	IPR003877	SPRY domain	Domain
A	IPR001870	B30.2/SPRY domain	Domain
A	IPR009460	Ryanodine Receptor TM 4-6	Domain
A	IPR015925	Ryanodine/Inositol 1,4,5-trisphosphate receptor	Family
A	IPR048581	Ryanodine receptor, junctional solenoid domain	Domain
A	IPR035910	RyR/IP3 receptor binding core, RIH domain superfamily	Homologous Superfamily
A	IPR003032	Ryanodine receptor Ryr	Domain
A	IPR035761	Ryanodine receptor, SPRY domain 1	Domain
A	IPR014821	Inositol 1,4,5-trisphosphate/ryanodine receptor	Domain
A	IPR035764	Ryanodine receptor, SPRY domain 2	Domain
A	IPR013333	Ryanodine receptor	Family
A	IPR043136	B30.2/SPRY domain superfamily	Homologous Superfamily
A	IPR011992	EF-hand domain pair	Homologous Superfamily
A	IPR005821	Ion transport domain	Domain
A	IPR035762	Ryanodine receptor, SPRY domain 3	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q92736	arrhythmogenic right ventricular dysplasia 2 catecholaminergic polymorphic ventricular tachycardia catecholaminergic polymorphic ventricular tachycardia 1 arrhythmogenic right ventricular cardiomyopathy ventricular tachycardia Diabetic Cardiomyopathies long QT syndrome malignant mesothelioma cardiomyopathy facioscapulohumeral muscular dystrophy glioblastoma hypertrophic cardiomyopathy lung adenocarcinoma malignant glioma attention deficit hyperactivity disorder, inattentive type arrhythmogenic right ventricular dysplasia 2 catecholaminergic polymorphic ventricular tachycardia catecholaminergic polymorphic ventricular tachycardia 1 arrhythmogenic right ventricular cardiomyopathy ventricular tachycardia Diabetic Cardiomyopathies long QT syndrome malignant mesothelioma cardiomyopathy facioscapulohumeral muscular dystrophy glioblastoma hypertrophic cardiomyopathy lung adenocarcinoma malignant glioma attention deficit hyperactivity disorder, inattentive type malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma catecholaminergic polymorphic ventricular tachycardia 2 Pick disease subependymal giant cell astrocytoma ventricular fibrillation, paroxysmal familial, type 1 familial atrial fibrillation heart disease large cell medulloblastoma lung carcinoma malignant hyperthermia of anesthesia atypical teratoid rhabdoid tumor medulloblastoma autosomal dominant cardiac arrhythmia (Kuhn) oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Charcot-Marie-Tooth disease pilocytic astrocytoma dilated cardiomyopathy hypertensive disorder malignant ependymoma astrocytic tumor autism spectrum disorder myocardial ischemia ovarian cancer paroxysmal familial ventricular fibrillation primitive neuroectodermal tumor coronary artery disease