KCNJ18 - potassium inwardly rectifying channel subfamily J member 18 Gene

Also Known as TTPP2; KIR2.6

Species: Homo sapiens

Gene Type: protein coding
Gene ID: 100134444

About KCNJ18

Cytogenetic location: 17p11.2 Genomic coordinates (GRCh38): 17:21,692,523-21,704,612 (from NCBI)

This gene has 1 transcript (splice variant), 251 orthologues, 15 paralogues and is associated with 2 phenotypes. Biased expression in skin (RPKM 1.2), heart (RPKM 0.3) and 9 other tissues.

Summary

This gene encodes a member of the inwardly rectifying Potassium Channel family. Transcription of this locus is regulated by thyroid hormone, and the encoded protein plays a role in resting membrane potential maintenance. Mutations in this locus have been associated with thyrotoxic hypokalemic periodic paralysis. [provided by RefSeq, Jan 2013]

KCNJ18 Products (1)

mRNA Protein Name
NM_001194958.2 NP_001181887.2 inward rectifier potassium channel 18
Molecular Function GO Annotation Evidence Verweise Source
enables inward rectifier potassium channel activity IDA
IDA: Inferred from direct assay
20074522 GOA
enables inward rectifier potassium channel activity IMP
IMP: Inferred from mutant phenotype
21665951 GOA
enables protein binding IPI
IPI: Inferred from physical interaction
32296183 GOA
Cellular Component GO Annotation Evidence Verweise Source
located in plasma membrane IDA
IDA: Inferred from direct assay
20074522 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

KCNJ18 Protein Structure

IRK_N

IRK_N: Inward rectifier potassium channel N-terminal (2 - 46)

IRK

IRK: Inward rectifier potassium channel (47 - 379)

  • 0
  • 100
  • 200
  • 300
  • 400
  • 433 a.a.
Protein Preferred Names Protein Names

inward rectifier potassium channel 18

  • inward rectifier K(+) channel Kir2.6

KCNJ18 Protein-protein interaction Information

Type
Protein Name Protein ID Interactor Interactor Species Interactor ID Detection Method Verweise
Intra
KCNJ18 B7U540 EMD Homo sapiens P50402 32296183
Intra
KCNJ18 B7U540 KCNJ2 Homo sapiens P63252 32296183
Cross: Cross-species interaction Intra: Intraspecies interaction

Related Diseases

Diseases Alias
Thyrotoxic Periodic Paralysis 2
  • Thyrotoxic Periodic Paralysis, Susceptibility To, 2

  • TTPP2

  • Thyrotoxic Hypokalemic Periodic Paralysis

  • Tpp

Thyrotoxic Periodic Paralysis
  • Thyrotoxic Hypokalemic Periodic Paralysis

Periodic Paralysis
  • Westphal Disease

  • Periodic Myotonia

  • Myoplegic Dystrophy

  • Familial Recurrent Paralysis

  • Familial Myoplegia

  • Cavare Disease

  • Cavarre Disease

  • Familial Paralysis

  • Familial Periodic Paralysis

  • Myotonic Periodic Paralysis

Exophthalmic Ophthalmoplegia
Uvulitis
  • Acute Uvulitis

Familial Periodic Paralysis
  • Genetic Periodic Paralysis

  • Paralyses, Familial Periodic

Hypokalemia
  • Potassium Deficiency

  • Potassium Deficiency Disorder

  • Hypopotassemia

  • Potassium

  • Potassium [K] Deficiency

  • Hypokalaemic Syndrome

  • Hypopotassaemia

  • Hypopotassaemia Syndrome

  • Hypokalaemic

  • Potassium Depletion

Graves Disease 1
  • Thyrotoxicosis

  • Graves Disease, Susceptibility To, 1

  • GRD1

  • Grd

  • Hyperthyroidism, Autoimmune

  • Hyperthyroidism

  • Hyperactive Thyroid Gland

  • Overactive Thyroid

  • Toxic Diffuse Goitre

  • Toxic Primary Thyroid Hyperplasia

  • Stokes Disease

  • Thyrotoxicosis With Goitre

  • Thyrotoxicosis Struma

  • Graves Disease

  • Goitre With Hyperthyroidism

  • Basedow Disease

  • Exophthalmic Goitre

  • Exophthalmic Struma

  • Flajani Disease

  • Graves Disease With Exophthalmos

  • Hyperthyroid Goitre

  • Hyperthyroidism Struma

  • Thyroid Exophthalmos

  • Malignant Exophthalmos

  • Parry Disease

  • Toxic Diffuse Goitre With Exophthalmos

  • Toxic Goitre

  • Toxic Goitre Nos

  • Thyrotoxicosis Due To Uninodular Goitre

  • Toxic Thyroid Nodule

  • Toxic Uninodular Goitre

  • Uninodular Toxic Struma

  • Uninodular Toxic Struma With Hyperthyroidism

  • Thyrotoxicosis Due To Single Thyroid Nodule

  • Toxic Uninodular Goitre With Hyperthyroidism

  • Hyperthyroidism With Thyroid Nodule

  • Thyrotoxicosis With Toxic Uninodular Goitre

  • Uninodular Goitre In Hyperthyroidism

  • Uninodular Goitre In Thyrotoxicosis

  • Toxic Multinodular Goitre

  • Multinodular Goitre With Thyrotoxicosis

  • Thyrotoxicosis Nodular Goitre

  • Nodular Goitre With Thyrotoxicosis

  • Adenomatous Goitre With Hyperthyroidism

  • Multinodular Goitre With Hyperthyroidism

  • Nodular Goitre With Hyperthyroidism

  • Nodular Struma With Hyperthyroidism

  • Plummer Disease

  • Thyrotoxicosis Adenomatous Goitre

  • Thyrotoxicosis Adenomatous Struma

  • Toxic Adenomatous Goitre

  • Toxic Adenomatous Struma

  • Toxic Nodular Goitre Nos

  • Toxic Struma Nodosa

  • Toxic Nodular Struma

Hypokalemic Periodic Paralysis, Type 1
  • Hypokalemic Periodic Paralysis

  • Hokpp

  • Hypopp

  • Westphall Disease

  • HOKPP1

  • Familial Hypokalemic Periodic Paralysis

  • Familial Periodic Paralysis

  • Westphal Disease

  • Hypokalemic Periodic Paralysis Type 1

  • Hypokalemic Familial Periodic Paralysis

  • Periodic Hypokalemic Paralysis

  • Periodic Paralysis I

  • Hypokpp

  • Primary Hypokalemic Periodic Paralysis

  • Periodic Paralysis Hypokalemic 1

  • Paralysis, Hypokalemic, Periodic

  • Paralysis, Hypokalemic, Periodic, Type 1

Hyperthyroidism
  • Overactive Thyroid

Andersen Cardiodysrhythmic Periodic Paralysis
  • Andersen Syndrome

  • Andersen-Tawil Syndrome

  • LQT7

  • Long Qt Syndrome 7

  • Ats

  • Periodic Paralysis, Potassium-Sensitive Cardiodysrhythmic Type

  • Long Qt Syndrome Type 7

  • Andersen Tawil Syndrome

  • Potassium-Sensitive Cardiodysrhythmic Type

  • Lqts Type 7

  • Long Qt Syndrome-7

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

Paramyotonia Congenita Of Von Eulenburg
  • Paramyotonia Congenita

  • PMC

  • Paralysis Periodica Paramyotonica

  • Eulenburg Disease

  • Myotonia Congenita Intermittens

  • Von Eulenburg Paramyotonia Congenita

  • Paralysis Periodica Paramyotonia

  • Von Eulenberg'S Disease

  • Paramyotonia Congenita Without Cold Paralysis

  • Eulenburg Syndrome

  • Paramyotonia

Spondylometaphyseal Dysplasia, Kozlowski Type
  • Spondylometaphyseal Dysplasia Kozlowski Type

  • Jequier Kozlowski Skeletal Dysplasia

  • Smd Kozlowski Type

  • SMDK

  • Dysmorphism Arthrogryposis Skeletal Maturation Advanced

  • Jequier-Kozlowski Syndrome

  • Skeletal Dysplasia Jequier-Kozlowski Type

  • Smd, Kozlowski Type

Scapuloperoneal Spinal Muscular Atrophy
  • SPSMA

  • Amyotrophy, Neurogenic Scapuloperoneal, New England Type

  • Neurogenic Scapuloperoneal Amyotrophy, New England Type

  • Scapuloperoneal Neuronopathy

  • Spinal Muscular Atrophy, Scapuloperoneal

  • Amyotrophy Neurogenic Scapuloperoneal New England Type

  • Muscular Atrophy, Spinal

  • Scapuloperoneal Form Of Spinal Muscular Atrophy

Myotonia Congenita
  • Congenital Myotonia, Autosomal Dominant Form

  • Congenital Myotonia

  • Thomsen And Becker Disease

  • Thomsen Disease

  • Thomsen'S Disease

  • Generalized Myotonia Of Thomsen

  • Congenital Myotonic Muscular Dystrophy

  • Myotonia Congenita Nos

Bartter Syndrome, Type 4a, Neonatal, With Sensorineural Deafness
  • Bsnd

  • Sensorineural Deafness With Mild Renal Dysfunction

  • Bartter Disease Type 4a

  • BARTS4A

  • Bartter Syndrome, Type 4a

  • Bartter Syndrome Type 4

  • Bartter Syndrome, Neonatal, With Sensorineural Deafness

  • Bartter Syndrome With Sensorineural Deafness

  • Bartter Syndrome Type 4a

  • Neonatal Bartter Syndrome With Sensorineural Deafness

  • Bartter Syndrome Type Iv

  • Bartter Syndrome With Sensorineural Hearing Loss

  • Bartter Syndrome 4a, Neonatal, With Sensorineural Deafness

  • Hyperprostanglandin E Syndrome 4

  • Hypokalemic Alkalosis With Hypercalciuria Antenatal 4

  • Infantile Bartter Syndrome With Sensorineural Deafness

Metal Metabolism Disorder
  • Metal Metabolism, Inborn Errors

  • Inborn Metal Metabolism Disorder

Long Qt Syndrome
  • Romano-Ward Syndrome

  • Long Q-T Syndrome

  • Lqt

  • Qt Syndrome, Long

  • Congenital Long Qt Syndrome

  • Familial Long Qt Syndrome

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
Mus musculus KCNJ18 MGD MGI:108495