6MUD

Voltage-gated sodium channel NaV1.5 C-terminal domain in complex with Ca2+/Calmodulin

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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	d6muda_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	Calmodulin	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	Calmodulin-like	8093609	4000924	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	EF-hand	8093610	3001983	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	EF-hand_7_8	e6mudA2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8	ECOD (1.6)
A	EF-hand_7_5	e6mudA1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)
B	EF-hand_7_6	e6mudB1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_6	ECOD (1.6)
B	IQ_like	e6mudB2	A: extended segments	X: Voltage gated calcium channel IQ domain (From Topology)	H: Voltage gated calcium channel IQ domain (From Topology)	T: Voltage gated calcium channel IQ domain	F: IQ_like	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13499	EF-hand domain pair (EF-hand_7)	EF-hand domain pair	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Calmodulin-1	cytoskeletal protein binding titin binding protein binding binding enzyme regulator activity protein phosphatase activator activity enzyme activator activity phosphatase activator activity molecular function activator activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity enzyme binding adenylate cyclase binding cytoskeletal protein binding titin binding protein binding binding enzyme regulator activity protein phosphatase activator activity enzyme activator activity phosphatase activator activity molecular function activator activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity enzyme binding adenylate cyclase binding molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity cyclase regulator activity cyclase activator activity adenylate cyclase regulator activity adenylate cyclase activator activity protein serine/threonine kinase activator activity kinase activator activity protein kinase activator activity protein kinase regulator activity kinase regulator activity cation binding ion binding calcium ion binding metal ion binding small molecule binding transmembrane transporter binding kinase binding protein kinase binding calcium-dependent protein binding	heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate regulation of calcium ion transmembrane transporter activity regulation of calcium ion transport regulation of localization regulation of cellular process negative regulation of ion transmembrane transporter activity negative regulation of calcium ion transmembrane transporter activity intracellular calcium ion homeostasis negative regulation of biological process negative regulation of ryanodine-sensitive calcium-release channel activity negative regulation of transport calcium ion transport localization negative regulation of cation transmembrane transport monoatomic cation homeostasis monoatomic cation transport intracellular monoatomic ion homeostasis regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization regulation of cation channel activity inorganic cation transmembrane transport maintenance of location transmembrane transport regulation of molecular function release of sequestered calcium ion into cytosol regulation of transmembrane transport chemical homeostasis negative regulation of calcium ion transmembrane transport cellular localization inorganic ion homeostasis transport negative regulation of cation channel activity homeostatic process monoatomic ion transmembrane transport negative regulation of monoatomic ion transport positive regulation of biological process regulation of transmembrane transporter activity calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion metal ion transport negative regulation of transmembrane transport regulation of transporter activity maintenance of location in cell regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport positive regulation of sequestering of calcium ion negative regulation of monoatomic ion transmembrane transport negative regulation of release of sequestered calcium ion into cytosol intracellular monoatomic cation homeostasis negative regulation of cellular process monoatomic ion homeostasis monoatomic ion transport intracellular chemical homeostasis regulation of metal ion transport regulation of sequestering of calcium ion positive regulation of cellular process regulation of monoatomic ion transmembrane transporter activity calcium ion transmembrane import into cytosol regulation of transport sequestering of calcium ion negative regulation of transporter activity negative regulation of molecular function negative regulation of calcium ion transport cellular homeostasis regulation of ryanodine-sensitive calcium-release channel activity cellular process regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport response to stimulus response to metal ion response to chemical response to calcium ion sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process positive regulation of molecular function positive regulation of hydrolase activity positive regulation of cyclic-nucleotide phosphodiesterase activity regulation of catalytic activity regulation of hydrolase activity positive regulation of catalytic activity regulation of cyclic-nucleotide phosphodiesterase activity cellular response to stimulus cardiac muscle contraction intracellular signal transduction cell communication intracellular signaling cassette signal transduction regulation of cardiac muscle contraction 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 striated muscle contraction regulation of cardiac muscle contraction by calcium ion signaling muscle system process regulation of muscle system process regulation of protein modification process positive regulation of phosphorylation regulation of protein phosphorylation positive regulation of protein metabolic process regulation of transferase activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of protein serine/threonine kinase activity positive regulation of metabolic process positive regulation of protein modification process regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process protein metabolic process positive regulation of protein kinase activity phosphorus metabolic process protein modification process positive regulation of protein phosphorylation protein phosphorylation positive regulation of transferase activity positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process primary metabolic process regulation of protein kinase activity regulation of macromolecule metabolic process positive regulation of kinase activity regulation of kinase activity macromolecule modification regulation of protein serine/threonine kinase activity regulation of phosphorylation regulation of phosphorus metabolic process metabolic process macromolecule metabolic process regulation of metabolic process import into cell presynaptic endocytosis vesicle-mediated transport vesicle-mediated transport in synapse establishment of localization in cell endocytosis cell cycle G2/M phase transition mitotic cell cycle process G2/M transition of mitotic cell cycle cell cycle phase transition mitotic cell cycle mitotic cell cycle phase transition regulation of peptidyl-threonine phosphorylation negative regulation of phosphate metabolic process negative regulation of protein modification process peptidyl-amino acid modification peptidyl-threonine modification negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of protein phosphorylation negative regulation of peptidyl-threonine phosphorylation negative regulation of phosphorus metabolic process negative regulation of phosphorylation peptidyl-threonine phosphorylation positive regulation of peptidyl-threonine phosphorylation cell communication by electrical coupling involved in cardiac conduction cell communication by electrical coupling regulation of cell communication by electrical coupling involved in cardiac conduction cardiac conduction regulation of cell communication cell communication involved in cardiac conduction regulation of cell communication by electrical coupling export across plasma membrane negative regulation of calcium ion export across plasma membrane regulation of calcium ion export across plasma membrane calcium ion export across plasma membrane export from cell positive regulation of cation transmembrane transport positive regulation of calcium ion transport positive regulation of monoatomic ion transport positive regulation of monoatomic ion transmembrane transport positive regulation of cation channel activity positive regulation of calcium ion transmembrane transporter activity positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport positive regulation of release of sequestered calcium ion into cytosol positive regulation of ryanodine-sensitive calcium-release channel activity positive regulation of transport positive regulation of transporter activity positive regulation of ion transmembrane transporter activity developmental process head development animal organ development brain development nervous system development substantia nigra development multicellular organism development central nervous system development midbrain development anatomical structure development neural nucleus development system development regulation of signaling regulation of signal transduction regulation of intracellular signal transduction regulation of response to stimulus regulation of calcium-mediated signaling G protein-coupled receptor signaling pathway protein autophosphorylation regulation of protein autophosphorylation positive regulation of protein autophosphorylation detection of stimulus detection of chemical stimulus detection of calcium ion	intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton spindle organelle membraneless organelle intracellular membraneless organelle spindle pole microtubule cytoskeleton membrane membrane-bounded organelle cell projection sperm midpiece intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton spindle organelle membraneless organelle intracellular membraneless organelle spindle pole microtubule cytoskeleton membrane membrane-bounded organelle cell projection sperm midpiece cilium 9+2 motile cilium sperm flagellum motile cilium plasma membrane bounded cell projection cytoplasm protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex axon synapse neuron projection axon terminus presynapse distal axon calyx of Held cell junction neuron projection terminus sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex myelin sheath vesicle centrosome microtubule organizing center cytosolic region presynaptic cytosol cytosol cell periphery plasma membrane catalytic complex voltage-gated potassium channel complex plasma membrane protein complex potassium channel complex polymeric cytoskeletal fiber spindle microtubule microtubule nucleus intracellular membrane-bounded organelle
B	Sodium channel protein type 5 subunit alpha	monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity involved in cardiac muscle cell action potential voltage-gated sodium channel activity monoatomic ion channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity voltage-gated sodium channel activity involved in AV node cell action potential monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity involved in cardiac muscle cell action potential voltage-gated sodium channel activity monoatomic ion channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity voltage-gated sodium channel activity involved in AV node cell action potential monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity cytoskeletal protein binding ankyrin binding protein binding binding fibroblast growth factor binding growth factor binding calmodulin binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding nitric-oxide synthase binding voltage-gated sodium channel activity involved in bundle of His cell action potential protein domain specific binding voltage-gated sodium channel activity involved in SA node cell action potential voltage-gated sodium channel activity involved in Purkinje myocyte action potential scaffold protein binding transmembrane transporter binding kinase binding protein kinase binding	membrane depolarization during action potential membrane depolarization biological regulation membrane depolarization during cardiac muscle cell action potential action potential regulation of biological quality cardiac muscle cell action potential regulation of membrane potential heart process multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling membrane depolarization during action potential membrane depolarization biological regulation membrane depolarization during cardiac muscle cell action potential action potential regulation of biological quality cardiac muscle cell action potential regulation of membrane potential heart process multicellular organismal process system process cardiac muscle cell action potential involved in contraction signaling atrial cardiac muscle cell to AV node cell signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction cardiac muscle contraction striated muscle contraction cell communication circulatory system process actin filament-based process regulation of multicellular organismal process atrial cardiac muscle cell to AV node cell communication cell communication involved in cardiac conduction blood circulation cardiac muscle cell contraction regulation of biological process atrial cardiac muscle cell action potential cell-cell signaling actin filament-based movement muscle contraction muscle system process regulation of blood circulation membrane depolarization during atrial cardiac muscle cell action potential cardiac conduction cellular process actin-mediated cell contraction heart contraction regulation of heart rate developmental process anatomical structure development brainstem development AV node cell to bundle of His cell communication regulation of cellular process regulation of membrane depolarization regulation of ventricular cardiac muscle cell membrane depolarization bundle of His cell to Purkinje myocyte signaling bundle of His cell to Purkinje myocyte communication bundle of His cell action potential regulation of atrial cardiac muscle cell membrane depolarization cardiac muscle cell membrane repolarization membrane repolarization regulation of membrane repolarization ventricular cardiac muscle cell membrane repolarization regulation of cardiac muscle cell membrane repolarization regulation of ventricular cardiac muscle cell membrane repolarization AV node cell action potential AV node cell to bundle of His cell signaling head development animal organ development brain development nervous system development multicellular organism development cerebellum development central nervous system development metencephalon development hindbrain development system development cellular response to stimulus cellular response to metal ion cellular response to chemical stimulus response to stimulus response to metal ion response to chemical cellular response to calcium ion response to calcium ion Purkinje myocyte to ventricular cardiac muscle cell communication membrane depolarization during Purkinje myocyte cell action potential Purkinje myocyte action potential Purkinje myocyte to ventricular cardiac muscle cell signaling localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport regulation of muscle adaptation regulation of muscle system process response to muscle inactivity response to stimulus involved in regulation of muscle adaptation muscle adaptation response to denervation involved in regulation of muscle adaptation regulation of response to stimulus response to muscle inactivity involved in regulation of muscle adaptation response to inactivity regulation of heart rate by cardiac conduction ventricular cardiac muscle cell action potential regulation of actin filament-based process regulation of cardiac muscle contraction regulation of striated muscle contraction regulation of actin filament-based movement regulation of muscle contraction regulation of cardiac muscle cell contraction membrane depolarization during AV node cell action potential anatomical structure morphogenesis odontogenesis of dentin-containing tooth odontogenesis animal organ morphogenesis SA node cell to atrial cardiac muscle cell signaling SA node cell to atrial cardiac muscle cell communication SA node cell action potential membrane depolarization during SA node cell action potential cell population proliferation positive regulation of cell population proliferation positive regulation of epithelial cell proliferation positive regulation of biological process regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation positive regulation of cellular process monoatomic ion transmembrane transport sodium ion transmembrane transport inorganic ion transmembrane transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport heart development cardiac chamber development cardiac ventricle development circulatory system development regulation of action potential positive regulation of action potential regulation of localization regulation of monoatomic ion transmembrane transport regulation of sodium ion transport regulation of sodium ion transmembrane transport regulation of metal ion transport regulation of transport regulation of monoatomic ion transport regulation of transmembrane transport regulation of monoatomic cation transmembrane transport forebrain development telencephalon development atrial cardiac muscle cell membrane repolarization regulation of atrial cardiac muscle cell membrane repolarization cardiac conduction system development cardiac muscle tissue development tissue development striated muscle tissue development muscle tissue development positive regulation of sodium ion transport positive regulation of transport positive regulation of monoatomic ion transport membrane depolarization during bundle of His cell action potential	cell periphery cellular anatomical structure sarcolemma plasma membrane membrane T-tubule intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle cell periphery cellular anatomical structure sarcolemma plasma membrane membrane T-tubule intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex perinuclear region of cytoplasm cell-cell junction intercalated disc anchoring junction cell junction cell-cell contact zone membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle nucleolus intracellular organelle lumen organelle lumen nuclear lumen cell surface membrane microdomain membrane raft plasma membrane raft plasma membrane region caveola nucleoplasm protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex lateral plasma membrane endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR050145	Centrin/CML-like	Family
A	IPR002048	EF-hand domain	Domain
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR011992	EF-hand domain pair	Homologous Superfamily
B	IPR010526	Sodium ion transport-associated domain	Domain
B	IPR043203	Voltage-gated cation channel calcium and sodium	Family
B	IPR008053	Voltage gated sodium channel, alpha-5 subunit	Family
B	IPR024583	Voltage-gated Na+ ion channel, cytoplasmic domain	Domain
B	IPR001696	Voltage gated sodium channel, alpha subunit	Family
B	IPR005821	Ion transport domain	Domain
B	IPR044564	Voltage-gated sodium channel alpha subunit, inactivation gate	Domain
B	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P0DP24	long QT syndrome long QT syndrome 15 catecholaminergic polymorphic ventricular tachycardia phencyclidine abuse cannabis dependence cocaine abuse cocaine dependence Severe depression atypical teratoid rhabdoid tumor bipolar disorder depressive disorder Brugada syndrome familial long QT syndrome ovarian cancer
B	Pharos: Q14524	Sudden infant death syndrome atrial fibrillation Brugada syndrome long QT syndrome familial atrial fibrillation long QT syndrome 3 dilated cardiomyopathy 1E ventricular fibrillation, paroxysmal familial, type 1 progressive familial heart block, type 1A atrial fibrillation, familial, 10 ventricular tachycardia dilated cardiomyopathy sick sinus syndrome torsades de pointes sick sinus syndrome 1 Sudden infant death syndrome atrial fibrillation Brugada syndrome long QT syndrome familial atrial fibrillation long QT syndrome 3 dilated cardiomyopathy 1E ventricular fibrillation, paroxysmal familial, type 1 progressive familial heart block, type 1A atrial fibrillation, familial, 10 ventricular tachycardia dilated cardiomyopathy sick sinus syndrome torsades de pointes sick sinus syndrome 1 arrhythmogenic right ventricular cardiomyopathy cardiomyopathy Brugada syndrome 1 long QT syndrome 1 psoriasis scabies epilepsy with generalized tonic-clonic seizures familial isolated dilated cardiomyopathy amyotrophic lateral sclerosis status epilepticus glossopharyngeal neuralgia hemorrhoid tinea pedis Pediculus humanus capitis infestation trigeminal neuralgia premature ejaculation Charcot-Marie-Tooth disease Pthirus pubis infestation epilepsy malaria familial long QT syndrome neuralgia tinea corporis atrial standstill left ventricular noncompaction bipolar disorder urethritis progressive familial heart block familial dilated cardiomyopathy familial sick sinus syndrome heart disease paroxysmal familial ventricular fibrillation atrial fibrillation, familial, 1 hypertrophic cardiomyopathy partial epilepsy atrial standstill 1 Lennox-Gastaut syndrome postherpetic neuralgia

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.