Annotations: 2KAV

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e2kavA1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
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	Sodium channel protein type 2 subunit alpha	calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity high voltage-gated calcium channel activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity voltage-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity protein binding binding calmodulin binding	response to decreased oxygen levels cellular response to stimulus response to stimulus cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels cellular response to chemical stimulus cellular response to stress response to hypoxia response to stress response to chemical response to oxygen levels response to abiotic stimulus cellular process response to decreased oxygen levels cellular response to stimulus response to stimulus cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels cellular response to chemical stimulus cellular response to stress response to hypoxia response to stress response to chemical response to oxygen levels response to abiotic stimulus cellular process regulation of cellular process signaling cellular response to chemical stress intracellular signal transduction cellular response to environmental stimulus cell communication signal transduction intrinsic apoptotic signaling pathway response to osmotic stress regulation of biological process biological regulation cellular response to osmotic stress cell death apoptotic signaling pathway intrinsic apoptotic signaling pathway in response to osmotic stress cellular response to abiotic stimulus apoptotic process programmed cell death behavior multicellular organismal process system process learning or memory nervous system process cognition memory import into cell calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport import across plasma membrane inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization calcium ion import across plasma membrane inorganic ion import across plasma membrane monoatomic ion transport calcium ion import calcium ion import into cytosol monoatomic cation transport calcium ion transmembrane transport action potential transmission of nerve impulse neuronal action potential regulation of biological quality regulation of membrane potential determination of adult lifespan neuron apoptotic process developmental process multicellular organism development anatomical structure development nervous system development system development sodium ion transport head development forebrain development animal organ development brain development dentate gyrus development pallium development central nervous system development telencephalon development hippocampus development limbic system development nerve development myelination axon ensheathment ensheathment of neurons	cell periphery sarcolemma plasma membrane membrane T-tubule cellular anatomical entity axon cell projection paranode region of axon main axon neuron projection plasma membrane bounded cell projection node of Ranvier presynapse cell periphery sarcolemma plasma membrane membrane T-tubule cellular anatomical entity axon cell projection paranode region of axon main axon neuron projection plasma membrane bounded cell projection node of Ranvier presynapse synapse cell junction presynaptic membrane plasma membrane region synaptic membrane glutamatergic synapse 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 voltage-gated calcium channel complex calcium channel complex cell-cell junction intercalated disc anchoring junction cell-cell contact zone

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR024583	Voltage-gated Na+ ion channel, cytoplasmic domain	Domain
A	IPR001696	Voltage gated sodium channel, alpha subunit	Family
A	IPR000048	IQ motif, EF-hand binding site	Binding Site
A	IPR010526	Sodium ion transport-associated domain	Domain
A	IPR005821	Ion transport domain	Domain
A	IPR044564	Voltage-gated sodium channel alpha subunit, inactivation gate	Domain
A	IPR043203	Voltage-gated cation channel calcium and sodium	Family
A	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q99250	epilepsy developmental and epileptic encephalopathy, 11 West syndrome seizures, benign familial infantile, 3 seizures, benign familial neonatal, 3 Seizures, Febrile generalized epilepsy with febrile seizures plus developmental and epileptic encephalopathy, 6 medulloblastoma epilepsy with generalized tonic-clonic seizures oligodendroglioma tinea pedis Pediculus humanus capitis infestation premature ejaculation urethritis epilepsy developmental and epileptic encephalopathy, 11 West syndrome seizures, benign familial infantile, 3 seizures, benign familial neonatal, 3 Seizures, Febrile generalized epilepsy with febrile seizures plus developmental and epileptic encephalopathy, 6 medulloblastoma epilepsy with generalized tonic-clonic seizures oligodendroglioma tinea pedis Pediculus humanus capitis infestation premature ejaculation urethritis glioblastoma primitive neuroectodermal tumor psoriasis attention deficit hyperactivity disorder, inattentive type autism spectrum disorder scabies benign familial neonatal epilepsy breast cancer developmental and epileptic encephalopathy malignant glioma Sjogren syndrome Dravet syndrome status epilepticus neuralgia tinea corporis osteosarcoma pilocytic astrocytoma hemorrhoid astrocytic tumor large cell medulloblastoma Pthirus pubis infestation atypical teratoid rhabdoid tumor scrapie bipolar disorder lung cancer malaria malignant mesothelioma subependymal giant cell astrocytoma partial epilepsy postherpetic neuralgia intellectual disability atrial fibrillation Lennox-Gastaut syndrome benign familial infantile epilepsy lung carcinoma malignant ependymoma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.