Annotations: 7DTD

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	PF07686	e7dtdB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
B [auth A]	PF00520	e7dtdA4	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: PF00520	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth A]	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Sodium channel subunit beta-4	monoatomic cation transmembrane transporter activity 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 monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity 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 monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity protein binding binding transmembrane transporter binding channel regulator activity ion channel regulator activity molecular function regulator activity sodium channel regulator activity transporter regulator activity voltage-gated sodium channel activity involved in cardiac muscle cell action potential	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 cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction actin filament-based movement 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 cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process cellular process actin-mediated cell contraction heart contraction blood circulation regulation of localization regulation of cellular process transport monoatomic ion transmembrane transport regulation of transmembrane transporter activity sodium ion transmembrane transport regulation of monoatomic ion transmembrane transport regulation of sodium ion transport regulation of sodium ion transmembrane transport metal ion transport regulation of transporter activity monoatomic cation transmembrane transport regulation of sodium ion transmembrane transporter activity localization monoatomic ion transport monoatomic cation transport regulation of metal ion transport regulation of monoatomic ion transmembrane transporter activity regulation of biological process regulation of transport regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport transmembrane transport regulation of molecular function regulation of transmembrane transport regulation of monoatomic cation transmembrane transport sodium ion transport 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 signaling regulation of heart contraction regulation of system process cell-cell signaling involved in cardiac conduction cell communication regulation of multicellular organismal process cell communication involved in cardiac conduction AV node cell to bundle of His cell signaling cell-cell signaling regulation of blood circulation AV node cell to bundle of His cell communication cardiac conduction cellular localization establishment of localization in cell nervous system process transmission of nerve impulse neuronal action potential positive regulation of biological process positive regulation of sodium ion transport positive regulation of transport positive regulation of monoatomic ion transport regulation of heart rate by cardiac conduction regulation of heart rate	cell periphery plasma membrane membrane cellular anatomical entity 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 cell-cell junction cell periphery plasma membrane membrane cellular anatomical entity 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 cell-cell junction intercalated disc anchoring junction cell junction cell-cell contact zone
B [auth A]	Sodium channel protein type 1 subunit alpha	passive transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity metal ion transmembrane transporter activity	heart process cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction biological regulation action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process heart process cardiac muscle cell contraction multicellular organismal process system process cardiac muscle cell action potential involved in contraction biological regulation action potential actin filament-based movement cardiac muscle contraction muscle contraction muscle system process striated muscle contraction circulatory system process actin filament-based process cellular process regulation of biological quality actin-mediated cell contraction heart contraction cardiac muscle cell action potential blood circulation regulation of membrane potential detection of external stimulus detection of stimulus involved in sensory perception of pain detection of mechanical stimulus involved in sensory perception of pain response to stimulus nervous system process response to mechanical stimulus response to external stimulus sensory perception of pain detection of mechanical stimulus involved in sensory perception sensory perception of mechanical stimulus detection of abiotic stimulus detection of stimulus sensory perception detection of mechanical stimulus response to abiotic stimulus detection of stimulus involved in sensory perception membrane depolarization during action potential membrane depolarization localization cellular localization establishment of localization in cell establishment of localization transport monoatomic ion transmembrane transport sodium ion transmembrane transport inorganic ion transmembrane transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport monoatomic ion transport monoatomic cation transport sodium ion transport transmission of nerve impulse cell communication neuronal action potential determination of adult lifespan neuromuscular process neuromuscular process controlling posture developmental process multicellular organism development nerve development anatomical structure development nervous system development system development adult walking behavior adult locomotory behavior behavior adult behavior locomotory behavior walking behavior action potential propagation neuronal action potential propagation	cell periphery sarcolemma plasma membrane membrane T-tubule cellular anatomical entity intracellular anatomical structure Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cell periphery sarcolemma plasma membrane membrane T-tubule cellular anatomical entity intracellular anatomical structure Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle axon cell projection main axon neuron projection node of Ranvier plasma membrane bounded cell projection membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen axon initial segment 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 somatodendritic compartment cell body neuronal cell body cell-cell junction intercalated disc anchoring junction cell junction cell-cell contact zone nuclear body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A [auth B]	IPR003599	Immunoglobulin subtype	Domain
A [auth B]	IPR000920	Myelin P0 protein-related	Family
A [auth B]	IPR013106	Immunoglobulin V-set domain	Domain
A [auth B]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A [auth B]	IPR007110	Immunoglobulin-like domain	Domain
B [auth A]	IPR008051	Voltage gated sodium channel, alpha-1 subunit	Family
B [auth A]	IPR024583	Voltage-gated Na+ ion channel, cytoplasmic domain	Domain
B [auth A]	IPR001696	Voltage gated sodium channel, alpha subunit	Family
B [auth A]	IPR010526	Sodium ion transport-associated domain	Domain
B [auth A]	IPR005821	Ion transport domain	Domain
B [auth A]	IPR044564	Voltage-gated sodium channel alpha subunit, inactivation gate	Domain
B [auth A]	IPR043203	Voltage-gated cation channel calcium and sodium	Family
B [auth A]	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B]	Pharos: Q8IWT1	long QT syndrome long QT syndrome 10 familial atrial fibrillation lung adenocarcinoma Sudden infant death syndrome non-small cell lung carcinoma malignant glioma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor adrenal cortex carcinoma breast carcinoma interstitial cystitis medulloblastoma pancreatic intraductal papillary-mucinous carcinoma long QT syndrome long QT syndrome 10 familial atrial fibrillation lung adenocarcinoma Sudden infant death syndrome non-small cell lung carcinoma malignant glioma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor adrenal cortex carcinoma breast carcinoma interstitial cystitis medulloblastoma pancreatic intraductal papillary-mucinous carcinoma Pick disease atrial fibrillation atypical teratoid rhabdoid tumor cardiomyopathy familial long QT syndrome invasive ductal breast carcinoma long QT syndrome 1 malignant ependymoma pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma atrial fibrillation, familial, 1 breast cancer ductal breast carcinoma in situ glioblastoma large cell medulloblastoma
B [auth A]	Pharos: P35498	epilepsy Lennox-Gastaut syndrome generalized epilepsy with febrile seizures plus, type 2 migraine, familial hemiplegic, 3 early myoclonic encephalopathy epilepsy, idiopathic generalized Seizures, Febrile generalized epilepsy with febrile seizures plus, type 1 intellectual disability partial epilepsy Dravet syndrome familial hemiplegic migraine generalized epilepsy with febrile seizures plus developmental and epileptic encephalopathy, 6 pituitary cancer epilepsy Lennox-Gastaut syndrome generalized epilepsy with febrile seizures plus, type 2 migraine, familial hemiplegic, 3 early myoclonic encephalopathy epilepsy, idiopathic generalized Seizures, Febrile generalized epilepsy with febrile seizures plus, type 1 intellectual disability partial epilepsy Dravet syndrome familial hemiplegic migraine generalized epilepsy with febrile seizures plus developmental and epileptic encephalopathy, 6 pituitary cancer lung cancer malaria medulloblastoma familial or sporadic hemiplegic migraine migraine disorder Alzheimer disease atypical teratoid rhabdoid tumor Gaucher disease tinea corporis movement disorder glioblastoma non-small cell lung carcinoma premature ejaculation epilepsy with generalized tonic-clonic seizures lung carcinoma malignant ependymoma developmental and epileptic encephalopathy, 14 Parkinson disease Lewy body dementia lung adenocarcinoma malignant glioma familial infantile myoclonic epilepsy atrial fibrillation status epilepticus autism spectrum disorder tinea pedis large cell medulloblastoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth B], B [auth A]	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Voltage-gated calcium and sodium channels

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth B], B [auth A]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A [auth B], B [auth A]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth B], B [auth A]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	Na_v1.1-β4 complex

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 R01GM133198.