KCNA2 - potassium voltage-gated channel subfamily A member 2 Gene

Homo sapiens

Also known as HK4; MK2; HBK5; NGK1; RBK2; DEE32; HUKIV; KV1.2; EIEE32

Gene ID: 3737 | Gene type: protein coding

About KCNA2

Cytogenetic location: 1p13.3 Genomic coordinates (GRCh38): 1:110,593,580-110,631,440 (from NCBI)

This gene has 17 transcripts (splice variants), 246 orthologues, 31 paralogues and is associated with 4 phenotypes. Biased expression in brain (RPKM 3.3), thyroid (RPKM 0.8) and 3 other tissues.

Summary

Potassium channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, Insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. Four sequence-related Potassium Channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the Potassium Channel, voltage-gated, shaker-related subfamily. This member contains six membrane-spanning domains with a shaker-type repeat in the fourth segment. It belongs to the delayed rectifier class, members of which allow nerve cells to efficiently repolarize following an action potential. The coding region of this gene is intronless, and the gene is clustered with genes KCNA3 and KCNA10 on chromosome 1. [provided by RefSeq, Jul 2008]

KCNA2 Products(2)

mRNA	Protein	Name
NM_001204269.2	NP_001191198.1	potassium voltage-gated channel subfamily A member 2 isoform b
NM_004974.4	NP_004965.1	potassium voltage-gated channel subfamily A member 2 isoform a

Gene Ontology

Molecular Function
Biological Process
Cellular Component

Molecular Function GO Annotation	Evidence	Reference	Source
enables protein binding	IPI IPI: Inferred from physical interaction	21357749	GOA
enables voltage-gated potassium channel activity	IDA IDA: Inferred from direct assay	11211111	GOA
enables voltage-gated potassium channel activity	IMP IMP: Inferred from mutant phenotype	19912772	GOA

Biological Process GO Annotation	Evidence	Reference	Source
involved in potassium ion transmembrane transport	IMP IMP: Inferred from mutant phenotype	19912772	GOA

Cellular Component GO Annotation	Evidence	Reference	Source
located in plasma membrane	IMP IMP: Inferred from mutant phenotype	19912772	GOA
part of voltage-gated potassium channel complex	IDA IDA: Inferred from direct assay	11086297	GOA

EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

KCNA2 Protein Structure

BTB_2

Ion_trans

0
100
200
300
400
499 a.a.

Protein Preferred Names

Protein Names

potassium voltage-gated channel subfamily A member 2

potassium channel, voltage gated shaker related subfamily A, member 2

KCNA2 Protein-protein interaction Information

Type Cross Intra	Protein Name	Protein ID	Interactor	Interactor Species	Interactor ID	Detection Method	Reference
Intra	KCNA2	P16389	CAMLG	Homo sapiens	P49069	Y2H Array	25416956
Intra	KCNA2	P16389	CAMLG	Homo sapiens	P49069	Anti Tag CoIP	33961781
Intra	KCNA2	P16389	KCNAB2	Homo sapiens	Q13303	Anti Tag CoIP	33961781

Cross: Cross-species interaction Intra: Intraspecies interaction

Related Diseases

Diseases

Alias

Developmental And Epileptic Encephalopathy 32

DEE32	Epileptic Encephalopathy, Early Infantile, 32
Eiee32	Developmental And Epileptic Encephalopathy, 32
Early Infantile Epileptic Encephalopathy 32	Encephalopathy, Developmental And Epileptic, Type 32

Non-Specific Early-Onset Epileptic Encephalopathy

Undetermined Early-Onset Epileptic Encephalopathy	Non-Specific Eoee
Undetermined Eoee

Episodic Ataxia, Type 1

Episodic Ataxia Type 1	Episodic Ataxia/Myokymia Syndrome
EA1	Episodic Ataxia With Myokymia
Eam	Ataxia, Episodic, With Myokymia
Aem	Paroxysmal Ataxia With Neuromyotonia, Hereditary
Myokymia With Periodic Ataxia	Episodic Ataxia 1
Aemk	Ea-1
Paroxysmal Ataxia With Neuromyotonia	Myokymia Isolated 1
MK1	Ataxia, Episodic, Type 1
Continuous Muscle Fiber Activity, Hereditary	Isaacs Syndrome

Developmental And Epileptic Encephalopathy 1

Epileptic Encephalopathy, Early Infantile, 1	Infantile Epileptic-Dyskinetic Encephalopathy
DEE1	Eiee1
Issx1	Xmesid
X-Linked Infantile Spasm Syndrome 1	X-Linked Infantile Spasm Syndrome
X-Linked Spasticity-Intellectual Disability-Epilepsy Syndrome	Developmental And Epileptic Encephalopathy, 1
Infantile Epileptic Dyskinetic Encephalopathy	Infantile Spasm Syndrome, X-Linked 1
West Syndrome, X-Linked	Ohtahara Syndrome, X-Linked
Early Infantile Epileptic Encephalopathy 1	Early Infantile Epileptic Encephalopathy-1
Issx	X-Linked Ohtahara Syndrome
X-Linked West Syndrome	Infantile Spasm Syndrome X-Linked 1
Myoclonic Epilepsy X-Linked With Intellectual Disability And Spasticity	Ohtahara Syndrome X-Linked
West Syndrome X-Linked	Encephalopathy, Epileptic, Early Infantile, Type 1

West Syndrome

Infantile Spasms	Infantile Spasms Syndrome
Infantile Spasm	X-Linked Infantile Spasm Syndrome
X-Linked Infantile Spasms	Epileptic Encephalopathy, Early Infantile, 1
Is	Tonic Spasms With Clustering, Arrest Of Psychomotor Development And Hypsarrhythmia On Eeg
West'S Syndrome	Spasms, Infantile
Is -[Infantile Spasm]	Salaam Spasm
Salaam Tic

Dravet Syndrome

Severe Myoclonic Epilepsy Of Infancy	Severe Myoclonic Epilepsy In Infancy
Smei	Epileptic Encephalopathy, Early Infantile, 6
DRVT	Developmental And Epileptic Encephalopathy 6a
Dee6a	Eiee6
Developmental And Epileptic Encephalopathy, 6	Dee6
Developmental And Epileptic Encephalopathy 6	Early Infantile Epileptic Encephalopathy 6
Myoclonic Epilepsy, Severe, Of Infancy	Sme
Severe Myoclonus Epilepsy Of Infancy	Borderline Smei
Smeb	Smeb-M
Smeb-O	Smeb-Sw
Smei-Borderland	Smei-Borderland More Than One Feature
Smei-Borderland-Myoclonic Seizures	Smei-Borderland-Spike Wave
Intractable Childhood Epilepsy With Generalized Tonic-Clonic Seizures	ICEGTC
Infantile Severe Myoclonic Epilepsy	Epilepsy, Intractable Childhood, With Generalized Tonic-Clonic Seizures

Episodic Ataxia, Type 5

Episodic Ataxia Type 5	EA5
Episodic Ataxia 5	Ea-5
Ataxia, Episodic, Type 5

Episodic Ataxia, Type 4

Episodic Ataxia Type 4	Periodic Vestibulocerebellar Ataxia
Patx	EA4
Ataxia, Periodic Vestibulocerebellar

Benign Neonatal Seizures

Benign Neonatal Epilepsy	Benign Familial Neonatal Seizures
Benign Neonatal Convulsions	Benign Familial Neonatal Convulsions
Benign Familial Neonatal Epilepsy	Bfne
Bfns	Seizures, Benign Neonatal
Neonatal Convulsions Benign	Epilepsy, Benign Neonatal
Epilepsy, Benign Neonatal, 2	Benign Familial Convulsion
Familial Benign Neonatal Epilepsy

Episodic Ataxia, Type 8

Episodic Ataxia Type 8	EA8
Episodic Ataxia With Slurred Speech

Episodic Ataxia

Isaacs Syndrome	Neuromyotonia
Isaacs' Syndrome	Acquired Neuromyotonia
Continuous Muscle Fiber Activity Syndrome	Quantal Squander Syndrome
Isaacs-Mertens Syndrome	Ea Syndrome
Episodic Ataxia Syndrome	Isaac Syndrome
Isaac'S-Merten'S Syndrome	Isaac-Mertens Syndrome
Peripheral Nerve Hyperexcitability	Ea
Peripheral Nerve Hyperexcitability Syndrome	Ataxia, Episodic
Isaacs Neuromyotonia	Continuous Muscle Fibre Activity

Episodic Ataxia, Type 3

Episodic Ataxia Type 3	EA3
Ataxia, Episodic, With Vertigo And Tinnitus	Episodic Ataxia-Vertigo-Tinnitus-Myokymia Syndrome

Developmental And Epileptic Encephalopathy

Encephalopathy, Developmental And Epileptic

Axonal Neuropathy

Spinocerebellar Ataxia 13

Spinocerebellar Ataxia Type 13	SCA13
Autosomal Dominant Cerebellar Ataxia With Intellectual Disability	Cerebellar Ataxia, Autosomal Dominant With Intellectual Disability
Spinocerebellar Ataxia-13	Ataxia, Spinocerebellar, Type 13

Diabetes Mellitus

Diabetes

Benign Familial Neonatal Epilepsy

Familial Neonatal Seizures	Bfns
Benign Familial Neonatal Convulsions	Benign Familial Neonatal Seizures
Epilepsy Benign Neonatal Familial	Familial Benign Neonatal Convulsions
Benign Neonatal Familial Convulsions	Familial Benign Neonatal Epilepsy
Epilepsy, Benign Neonatal, 2	Benign Familial Convulsion

Neonatal Period Electroclinical Syndrome

Paroxysmal Extreme Pain Disorder

PEPD	Familial Rectal Pain
Pexpd	Submandibular, Ocular, And Rectal Pain With Flushing
Pain, Submandibular, Ocular, And Rectal, With Flushing	Rectal Pain, Familial
Submandibular, Ocular And Rectal Pain With Flushing	Familial Rectal Syndrome
Frp	Pain Disorder, Paroxysmal, Extreme

Epilepsy, Familial Temporal Lobe, 1

ETL1	Adpeaf
Adlte	Epilepsy, Partial, With Auditory Features
Autosomal Dominant Partial Epilepsy With Auditory Features	Epilepsy, Lateral Temporal Lobe, Autosomal Dominant
Familial Temporal Lobe Epilepsy 1	Partial Epilepsy With Auditory Features
Autosomal Dominant Lateral Temporal Lobe Epilepsy	Lateral Temporal Lobe Epilepsy Autosomal Dominant
Epilepsy, Temporal Lobe, Familial, Type 1

Hyperkalemic Periodic Paralysis

HYPP	Gamstorp Disease
Gamstorp Episodic Adynamy	Adynamia Episodica Hereditaria With Or Without Myotonia
Familial Hyperkalemic Periodic Paralysis	Hyperkpp
Hyperpp	Adynamia Episodica Hereditaria
Primary Hyperkalemic Periodic Paralysis	Hyperkalemic Periodic Paralysis, Type 2
Sodium Channel Muscle Disease	Familial Hyperpp
Hyperkalemic Pp	Primary Hyperpp
Periodic Paralysis Hyperkalemic	Periodic Paralysis Normokalemic
NKPP	Periodic Paralysis Eukalemic
Paralysis, Hyperkalemic Periodic	Paralysis, Periodic, Hyperkalemic
Potassium Aggravated Myotonia

Erythromelalgia

Primary Erythromelalgia	Erythermalgia
Primary Erythermalgia	Mitchell Disease
Familial Erythromelalgia

Early Myoclonic Encephalopathy

Myoclonic Epilepsy	Myoclonic Seizure
Epilepsies, Myoclonic	Epileptic Seizures - Myoclonic
Epileptic Seizures, Myoclonic	Myoclonia Epileptica
Myoclonic Seizure Disorder	Early Myoclonic Encephalopathy With Suppression-Bursts

Epilepsy

Epilepsy Syndrome	Epileptic Syndrome
Epilepsies	Symptomatic Epilepsies
Post Traumatic Epilepsy	Traumatic Epilepsy
Traumatic Epileptic	Epilepsy Due To Hippocampal Sclerosis
Epilepsy With Ammon'S Horn Sclerosis	Epilepsy Due To Cortical Dysplasia
Epilepsy Due To Neuronal Migration Disorders

Autosomal Dominant Nocturnal Frontal Lobe Epilepsy

Adnfle	Autosomal Dominant Sleep-Related Hypermotor Epilepsy
Enfl	Benign Familial Infantile Seizures 6
Benign Familial Infantile Seizures, 6	Nocturnal Frontal Lobe Epilepsy-4
Enfl1	Epilepsy, Nocturnal Frontal Lobe, 1
Epilepsy, Nocturnal Frontal Lobe, Type 1

Early Infantile Epileptic Encephalopathy

Early Infantile Epileptic Encephalopathy With Burst-Suppression	Early Infantile Epileptic Encephalopathy With Suppression Bursts
Eiee	Early Infantile Epileptic Encephalopathy With Suppression-Bursts
Ohtahara Syndrome	Encephalopathy, Epileptic, Early Infantile

Long Qt Syndrome 1

Romano-Ward Syndrome	LQT1
Ward-Romano Syndrome	Rws
Ventricular Fibrillation With Prolonged Qt Interval	Wrs
Long Qt Syndrome 1, Acquired, Susceptibility To	Long Qt Syndrome 1, Acquired
Romano-Ward Long Qt Syndrome	Long Qt Syndrome Type 1
Long Qt Syndrome-1	Acquired Susceptibility To Long Qt Syndrome 1
Qt Syndrome, Long, Type 1

Lennox-Gastaut Syndrome

Lennox Syndrome	Encephalopathy Of Childhood
Epileptic Encephalopathy Lennox-Gastaut Type	Childhood Epileptic Encephalopathy With Diffuse Slow Spikes And Waves
Lgs

Childhood Absence Epilepsy

Pyknolepsy	Petit Mal Epilepsy
Absence Seizures	Absence Seizure
Petit Mal Seizure	Absence Epilepsy, Childhood
Pykno-Epilepsy	Epilepsy, Absence
Absence Epilepsy	Pycnolepsy

Long Qt Syndrome

Romano-Ward Syndrome	Long Q-T Syndrome
Lqt	Qt Syndrome, Long
Congenital Long Qt Syndrome	Familial Long Qt Syndrome

Neuropathy, Congenital Hypomyelinating, 1, Autosomal Recessive

Charcot-Marie-Tooth Disease Type 4	Charcot-Marie-Tooth Disease Type 4e
Hereditary Motor And Sensory Neuropathy	Cmt4e
CHN1	Hypomyelinating Neuropathy, Congenital, 1
Charcot-Marie-Tooth Neuropathy Type 4e	Neuropathy, Congenital Hypomyelinating, 1
Ar-Cmt1	Autosomal Recessive Demyelinating Charcot-Marie-Tooth
Cmt4	Neuropathy, Congenital Hypomyelinating Or Amyelinating, Autosomal Recessive
Hypomyelination, Severe Congenital	Charcot-Marie-Tooth Disease, Type 4e
Charcot-Marie-Tooth Neuropathy, Type 4e	Autosomal Recessive Congenital Hypomyelinating Or Amyelinating Neuropathy
Autosomal Recessive Congenital Hypomyelinating Neuropathy	Congenital Amyelinating Neuropathy
Congenital Hypomyelinating Neuropathy Autosomal Recessive	Neuropathy, Congenital Hypomyelinating Or Amyelinating
Severe Congenital Hypomyelination	Hereditary Sensory Motor Neuropathy
Charcot-Marie-Tooth Disease, Demyelinating, Autosomal Recessive	Neuropathy, Hypomyelinating, Congenital, Type 1
Neuropathy, Motor And Sensory, Hereditary	Congenital Hypomyelinating Neuropathy
Hereditary Motor And Sensory Neuropathies	Hereditary Sensorimotor Neuropathy
Hmsn - [Hereditary Motor And Sensory Neuropathy]	Hsmn - [Hereditary Sensory And Motor Neuropathy]
Hereditary Motor And Sensory Neuropathy, Types I-Iv

Generalized Epilepsy With Febrile Seizures Plus

Gefs+	Genetic Epilepsy With Febrile Seizures Plus
Generalized Epilepsy With Febrile Seizures-Plus	Genetic Epilepsy With Febrile Seizures-Plus
Epilepsy, Generalized, With Febrile Seizures Plus

Progressive Myoclonus Epilepsy

Pme	Progressive Myoclonic Epilepsy
Myoclonic Epilepsies, Progressive	Unverricht-Lundborg Syndrome

Chromosome 1p36 Deletion Syndrome

1p36 Deletion Syndrome	Deletion 1p36
Monosomy 1p36	Subtelomeric 1p36 Deletion
Monosomy 1p36 Syndrome	Distal Monosomy 1p36
Del(1)(P36)	Deletion 1pter
Monosomy 1pter

Epilepsy, Idiopathic Generalized

Idiopathic Generalized Epilepsy	Generalised Epilepsy
Epilepsy, Generalized	EIG
Ige	Epilepsy, Idiopathic Generalized, Susceptibility To, 1
Epilepsy, Idiopathic Generalized 1	Epilepsy, Idiopathic Generalized, Susceptibility To
Epilepsy, Idiopathic, Generalized	Epilepsy, Idiopathic, Generalized, Susceptibility To, Type 1

Benign Epilepsy With Centrotemporal Spikes

Rolandic Epilepsy	Benign Rolandic Epilepsy
Epilepsy, Rolandic	Bcects
Benign Childhood Epilepsy With Centrotemporal Spike	Sylvan Seizures
Becrs	Bects
Bre	Benign Epilepsy Of Childhood With Centrotemporal Spikes
Benign Familial Epilepsy Of Childhood With Rolandic Spikes	Centrotemporal Epilepsy

Familial Atrial Fibrillation

Atrial Fibrillation, Familial	Atfb
Atrial Fibrillation Autosomal Dominant	Autosomal Dominant Atrial Fibrillation
Auricular Fibrillation	Atrial Fibrillation
Atrial Fibrillation, Familial, 1

Epilepsy, Myoclonic Juvenile

Juvenile Myoclonic Epilepsy	Janz Syndrome
Jme	Myoclonic Epilepsy, Juvenile, Susceptibility To, 1
EJM	Myoclonic Epilepsy, Juvenile
Petit Mal, Impulsive	Myoclonic Epilepsy, Juvenile 1
Myoclonic Epilepsy, Juvenile, 1	Adolescent Myoclonic Epilepsy
Juvenile Myoclonus Epilepsy	Juvenile Myoclonic Epilepsy 1
EJM1	Petit Mal Impulsive
Susceptibility To Juvenile Myoclonic Epilepsy 1	Myoclonic Epilepsy Juvenile
Epilepsy, Myoclonic, Juvenile	Myoclonic Epilepsy Of Janz
Jme - [Juvenile Myoclonic Epilepsy]

Diseases	Alias
Waldenstroem'S Macroglobulinemia	Waldenstroem'S Macroglobulinemia Waldenstroem'S Macroglobulinemia Macroglobulinemia Of Waldenstrom Lymphoplasmacytic Lymphoma With Igm Gammopathy Lymphoplasmacytic Lymphoma Waldenstroem'S Macroglobulinemia Waldenstroem'S Macroglobulinemia Macroglobulinemia Of Waldenstrom Lymphoplasmacytic Lymphoma With Igm Gammopathy Lymphoplasmacytic Lymphoma

Related Agents

Pre-clinical Phase

Bioactive Molecules (1)

Cat. No.	Product Name	Effect	Purity	Rare Diseases
HY-RS07098	KCNA2 Human Pre-designed siRNA Set A	Pre-designed Sets	/	Unkown

Orthologs Information

Species	Symbol	Source	ID
Mus musculus	KCNA2	MGD	MGI:96659
Canis familiaris	KCNA2	VGNC	VGNC:42229
Felis catus	KCNA2	VGNC	VGNC:107569
Bos taurus	KCNA2	VGNC	VGNC:30422
Rattus norvegicus	KCNA2	RGD	RGD:2950
Macaca mulatta	KCNA2	VGNC	VGNC:106395