Annotations: 2VAF

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Calsequestrin_1st	e2vafA3	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Calsequestrin_1st	ECOD (1.6)
A	Calsequestrin_2nd	e2vafA2	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Calsequestrin_2nd	ECOD (1.6)
A	Calsequestrin_3rd	e2vafA1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Calsequestrin_3rd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01216	Calsequestrin (Calsequestrin)	Calsequestrin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CALSEQUESTRIN-2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular sequestering activity calcium ion sequestering activity metal ion sequestering activity identical protein binding protein binding protein homodimerization activity protein dimerization activity calcium-dependent protein binding	negative regulation of potassium ion transport regulation of localization regulation of biological process regulation of potassium ion transport transport regulation of transport negative regulation of monoatomic ion transport regulation of monoatomic ion transport biological regulation negative regulation of biological process negative regulation of transport establishment of localization metal ion transport localization monoatomic ion transport negative regulation of potassium ion transport regulation of localization regulation of biological process regulation of potassium ion transport transport regulation of transport negative regulation of monoatomic ion transport regulation of monoatomic ion transport biological regulation negative regulation of biological process negative regulation of transport establishment of localization metal ion transport localization monoatomic ion transport potassium ion transport monoatomic cation transport regulation of metal ion transport heart process multicellular organismal process system process regulation of heart contraction regulation of system process circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate cellular component organization cellular component biogenesis protein polymerization cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis muscle contraction muscle system process striated muscle contraction regulation of cellular process regulation of cell communication regulation of cell communication by electrical coupling cell communication by electrical coupling cell communication membrane repolarization regulation of membrane repolarization regulation of membrane potential cellular localization inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process sequestering of calcium ion calcium ion homeostasis maintenance of location in cell maintenance of location cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of calcium ion transport sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport monoatomic ion transmembrane transport regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport negative regulation of cellular process regulation of sequestering of calcium ion calcium ion transmembrane import into cytosol regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum cellular response to nitrogen compound cellular response to stimulus response to stimulus cellular response to caffeine response to nitrogen compound response to purine-containing compound response to alkaloid cellular response to chemical stimulus response to chemical cellular response to alkaloid cellular response to purine-containing compound response to caffeine cardiac muscle cell membrane repolarization cardiac muscle cell action potential involved in contraction regulation of membrane repolarization during action potential membrane repolarization during cardiac muscle cell action potential ventricular cardiac muscle cell membrane repolarization cardiac muscle contraction regulation of membrane repolarization during ventricular cardiac muscle cell action potential regulation of membrane repolarization during cardiac muscle cell action potential actin filament-based process regulation of action potential cardiac muscle cell contraction regulation of cardiac muscle cell membrane repolarization ventricular cardiac muscle cell action potential action potential actin filament-based movement membrane repolarization during action potential membrane repolarization during ventricular cardiac muscle cell action potential cardiac muscle cell action potential actin-mediated cell contraction regulation of ventricular cardiac muscle cell membrane repolarization intracellular signal transduction intracellular signaling cassette signal transduction regulation of cardiac muscle contraction regulation of striated muscle contraction calcium-mediated signaling regulation of muscle contraction signaling regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion regulation of cardiac muscle contraction by calcium ion signaling regulation of muscle system process Purkinje myocyte to ventricular cardiac muscle cell communication cell-cell signaling involved in cardiac conduction cell-cell signaling Purkinje myocyte to ventricular cardiac muscle cell signaling cardiac conduction cell communication involved in cardiac conduction detection of stimulus response to metal ion detection of chemical stimulus detection of calcium ion response to calcium ion	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure bounding membrane of organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure 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 intracellular membraneless organelle Z disc sarcomere I band membraneless organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex membrane-enclosed lumen sarcoplasmic reticulum lumen intracellular organelle lumen endoplasmic reticulum lumen organelle lumen 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	IPR001393	Calsequestrin	Family
A	IPR041859	Calsequestrin, N-terminal TRX-fold domain	Domain
A	IPR041858	Calsequestrin, middle TRX-fold domain	Domain
A	IPR041860	Calsequestrin, C-terminal TRX-fold domain	Domain
A	IPR018233	Calsequestrin, conserved site	Conserved Site
A	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O14958	catecholaminergic polymorphic ventricular tachycardia ventricular tachycardia catecholaminergic polymorphic ventricular tachycardia 2 atrial fibrillation catecholaminergic polymorphic ventricular tachycardia 1 Duchenne muscular dystrophy hypertrophic cardiomyopathy left ventricular noncompaction malignant colon neoplasm ovarian cancer Cardiomyopathy, Hypertrophic, Familial invasive ductal breast carcinoma lung adenocarcinoma myopathy psoriasis catecholaminergic polymorphic ventricular tachycardia ventricular tachycardia catecholaminergic polymorphic ventricular tachycardia 2 atrial fibrillation catecholaminergic polymorphic ventricular tachycardia 1 Duchenne muscular dystrophy hypertrophic cardiomyopathy left ventricular noncompaction malignant colon neoplasm ovarian cancer Cardiomyopathy, Hypertrophic, Familial invasive ductal breast carcinoma lung adenocarcinoma myopathy psoriasis Charcot-Marie-Tooth disease heart disease juvenile dermatomyositis lung cancer non-small cell lung carcinoma

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.