1. Gene
  2. KCNK9 - potassium two pore domain channel subfamily K member 9 Gene

KCNK9 - potassium two pore domain channel subfamily K member 9 Gene

Homo sapiens

Also known as KT3.2; TASK3; BIBARS; K2p9.1; TASK-3; TASK32

Gene ID: 51305 | Gene type: protein coding

About KCNK9

Cytogenetic location: 8q24.3 Genomic coordinates (GRCh38): 8:139,600,838-139,703,123 (from NCBI)

This gene has 12 transcripts (splice variants), 221 orthologues, 14 paralogues and is associated with 3 phenotypes. Biased expression in adrenal (RPKM 2.3) and brain (RPKM 2.1).

Summary

This gene encodes a protein that contains multiple transmembrane regions and two pore-forming P domains and functions as a pH-dependent Potassium Channel. Amplification and overexpression of this gene have been observed in several types of human carcinomas. This gene is imprinted in the brain, with preferential expression from the maternal allele. A mutation in this gene was associated with Birk-Barel dysmorphism syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2017]

KCNK9 Products(1)

mRNA Protein Name
NM_001282534.2 NP_001269463.1 potassium channel subfamily K member 9

KCNK9 Protein Structure

Ion_trans_2

Ion_trans_2: Ion channel (77 - 132)

Ion_trans_2

Ion_trans_2: Ion channel (167 - 245)

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  • 374 a.a.
Protein Preferred Names Protein Names

potassium channel subfamily K member 9

TWIK-related acid-sensitive K(+) channel 3

Related Diseases

Diseases Alias
Birk-Barel Syndrome

Birk-Barel Mental Retardation Dysmorphism Syndrome

BIBARS

Mental Retardation With Hypotonia And Facial Dysmorphism

Intellectual Disability-Hypotonia-Facial Dysmorphism Syndrome

Kcnk9 Imprinting Syndrome

Kcnk9 Imprinting Syndrome

Birk-Barel Syndrome

Birk-Barel Mental Retardation Dysmorphism Syndrome

Intellectual Disability, Birk-Barel Type

Intellectual Disability-Hypotonia-Facial Dysmorphism Syndrome

Mental Retardation With Hypotonia And Facial Dysmorphism

Childhood Absence Epilepsy

Pyknolepsy

Petit Mal Epilepsy

Absence Seizures

Absence Seizure

Petit Mal Seizure

Absence Epilepsy, Childhood

Pykno-Epilepsy

Epilepsy, Absence

Absence Epilepsy

Pycnolepsy

Central Sleep Apnea

Central Sleep Apnea Syndrome

Sleep Apnea, Central

Primary Central Sleep Apnea

Central Sleep Apnea, Primary

Central Sleep Apnoea Syndrome

Csa - [Central Sleep Apnoea]

Csas - [Central Sleep Apnoea Syndrome]

Central Sleep Apnoea Due To Substances Including Medications

Congenital Contractures Of The Limbs And Face, Hypotonia, And Developmental Delay

CLIFAHDD

Congenital Limbs-Face Contractures-Hypotonia-Developmental Delay Syndrome

Clifahdd Syndrome

Doid:0081048

Contractures, Limbs And Face, Congenital, Hypotonia, And Developmental Delay

Conn'S Syndrome

Cushing Syndrome

Hyperaldosteronism

Primary Hyperaldosteronism

Hypercortisolism

Primary Aldosteronism

Cushing'S Syndrome

Adrenal Gland Hyperfunction

Conn Syndrome

Hyperadrenalism

Ectopic Acth Syndrome

Hyperadrenocorticism

Cushing Disease

Cushing'S Disease

Adrenal Cortex Adenoma

Corticotroph Pituitary Adenoma

Pituitary Corticotroph Micro-Adenoma

Pituitary-Dependent Cushing Syndrome

Pituitary Acth Hypersecretion

Acth Syndrome, Ectopic

Acth-Secreting Pituitary Adenoma

Adrenal Hyperfunction Resulting From Pituitary Acth Excess

Ectopic Adrenocorticotropic Hormone Syndrome

Nodular Primary Adrenocortical Dysplasia

Pituitary Dependent Cushing Syndrome

Pituitary Cushing Syndrome

Pituitary-Dependant Cushing Syndrome

Pituitary-Dependant Hypercortisolism

Pituitary-Dependant Hypercortisolism Disorder

Aldosteronism Primary

Acth Syndrome Ectopic

Adrenal Cushing'S Syndrome

Adrenal Cortical Adenoma

Cushing Syndrome Nos

Cortisol Hypersecretion

Corticoadrenal Hypersecretion

Cushing Syndrome Secondary To Ectopic Acth-Secretion

Ectopic Cushing Syndrome

Hypercortisolism Due To Nonpituitary Tumour

Ectopic Acth - [Adrenocorticotropic Hormone] Secretion

Ectopic Acth - [Adrenocorticotropic Hormone] Secretion Causing Cushing Syndrome

Idiopathic Aldosteronism

Aldosteronism

Primary Aldosteronism Due To Bilateral Adrenal Hyperplasia

Primary Aldosteronism Due To Adrenal Hyperplasia

Adrenal Cortical Adenocarcinoma

Adrenal Cortex Adenocarcinoma

Adrenocortical Carcinoma

Congenital Central Hypoventilation Syndrome

Cchs

Haddad Syndrome

Ondine Curse

Ondine Syndrome

Congenital Central Hypoventilation

Congenital Central Alveolar Hypoventilation Syndrome

Congenital Failure Of Autonomic Control

Ondine'S Curse

Primary Alveolar Hypoventilation

Ondine-Hirschsprung Disease

Central Congenital Hypoventilation Syndrome

Congenital Ondine Curse

Idiopathic Congenital Central Alveolar Hypoventilation

Congenital Central Alveolar Hypoventilation-Hirschsprung Disease Syndrome

Ondine-Hirschsprung Syndrome

Autosomal Recessive Intellectual Developmental Disorder

Mental Retardation, Autosomal Recessive

Autosomal Recessive Mental Retardation

Autosomal Recessive Non-Syndromic Mental Retardation

Autosomal Recessive Non-Syndromic Intellectual Disability

Migraine With Or Without Aura 1

Migraine

Migraine With Or Without Aura, Susceptibility To, 1

Migraine Disorder

Migraine Variant

Migraines

Migraine Disorders

Mgr1

Mgau

Ma

Migraine With Or Without Aura

Classic Migraine

Common Migraine

Disorder, Migraine

Headache Migraine

Headache Migrainous

Migraine Headache

Migraine Syndrome

Headache Including Migraine

Migraine, Susceptibility To

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

Orthologs Information

Species Symbol Source ID
Canis familiaris KCNK9 VGNC VGNC:42280
Bos taurus KCNK9 VGNC VGNC:30478
Macaca mulatta KCNK9 VGNC VGNC:73997
Rattus norvegicus KCNK9 RGD RGD:621451
Mus musculus KCNK9 MGD MGI:3521816
Others KCNK9 NCBI