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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 (Potassium Two Pore Domain Channel Subfamily K Member 9) is a Protein Coding gene. Diseases associated with KCNK9 include Birk-Barel Syndrome and Kcnk9 Imprinting Syndrome. Among its related pathways are Activation of cAMP-Dependent PKA and Transmission across Chemical Synapses. Gene Ontology (GO) annotations related to this gene include protein homodimerization activity and potassium channel activity. An important paralog of this gene is KCNK3.
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005249 | voltage-gated potassium channel activity | IEA | -- |
GO:0005267 | potassium channel activity | IEA | -- |
GO:0022841 | potassium ion leak channel activity | IBA | 21873635 |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005886 | plasma membrane | TAS | -- |
GO:0005887 | integral component of plasma membrane | IBA | 21873635 |
GO:0008021 | synaptic vesicle | IEA | -- |
GO:0016020 | membrane | IEA | -- |
GO:0016021 | integral component of membrane | IEA | -- |
SuperPathway | Contained pathways | ||
---|---|---|---|
1 | Sweet Taste Signaling |
Melatonin Signaling
.72
Sweet Taste Signaling
.72
Cellular Effects of Sildenafil
.46
|
Bitter Taste Signaling
.44
Sperm Motility
.37
|
2 | Cardiac conduction | ||
3 | Activation of cAMP-Dependent PKA |
Activation of cAMP-Dependent PKA
.77
cAMP Pathway
.77
|
PKA Signaling
.56
|
4 | Neuropathic Pain-Signaling in Dorsal Horn Neurons |
Aldosterone Signaling in Epithelial Cells
.47
Neuropathic Pain-Signaling in Dorsal Horn Neurons
.47
|
Cholera Infection
.40
|
5 | Nicotine Pathway (Dopaminergic Neuron), Pharmacodynamics |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0006811 | ion transport | IEA | -- |
GO:0006813 | potassium ion transport | NAS | 11042359 |
GO:0030322 | stabilization of membrane potential | IBA | 21873635 |
GO:0071805 | potassium ion transmembrane transport | IBA | 21873635 |
GO:1990573 | potassium ion import across plasma membrane | IEA | -- |
Name | Status | Disease Links | Group | Role | Mechanism of Action | Clinical Trials |
---|---|---|---|---|---|---|
Halothane | Approved, Vet_approved | Pharma | Inhibitor, Activator, Target, binder, antagonist | 2 | ||
Doxapram | Approved, Vet_approved | Pharma | Target, inhibitor | 8 | ||
Anandamide | Pharma | Antagonist, Pore Blocker, Partial agonist, Agonist, Potentiation, Allosteric regulator, Full agonist, Inhibitor, Channel blocker | 0 | |||
Ruthenium Red | Pharma | Channel blocker, Inhibitor, Inhibition, Antagonist, Pore Blocker | Non-selective Ca2+ channel blocker (N- and P-type) | 0 | ||
Doxapram HCl | Pharma | 0 |
Name | Synonyms | Role | CAS Number | PubChem IDs | PubMed IDs |
---|
Compound | Action | Cas Number |
---|---|---|
Cesium chloride | Potassium channel blocker; neuroprotective | 7647-17-8 |
YS-035 hydrochloride | Inhibits K+ outward/pacemaker current | 89805-39-0 |
Compound | Action | Cas Number |
---|---|---|
Doxapram HCl | 7081-53-0 |
This gene was present in the common ancestor of animals.
Organism | Taxonomy | Gene | Similarity | Type | Details |
---|---|---|---|---|---|
chimpanzee (Pan troglodytes) |
Mammalia | KCNK9 33 32 |
|
OneToOne | |
cow (Bos Taurus) |
Mammalia | KCNK9 33 32 |
|
OneToOne | |
dog (Canis familiaris) |
Mammalia | KCNK9 33 32 |
|
OneToOne | |
platypus (Ornithorhynchus anatinus) |
Mammalia | KCNK9 33 |
|
OneToOne | |
rat (Rattus norvegicus) |
Mammalia | Kcnk9 32 |
|
||
mouse (Mus musculus) |
Mammalia | Kcnk9 17 33 32 |
|
||
oppossum (Monodelphis domestica) |
Mammalia | KCNK9 33 |
|
OneToOne | |
chicken (Gallus gallus) |
Aves | KCNK9 33 |
|
OneToOne | |
LOC100859545 32 |
|
||||
lizard (Anolis carolinensis) |
Reptilia | KCNK9 33 |
|
OneToOne | |
tropical clawed frog (Silurana tropicalis) |
Amphibia | kcnk9 32 |
|
||
Str.14039 32 |
|
||||
zebrafish (Danio rerio) |
Actinopterygii | LOC799704 32 |
|
||
kcnk9 33 |
|
OneToOne | |||
rainbow trout (Oncorhynchus mykiss) |
Actinopterygii | Omy.13601 32 |
|
||
African malaria mosquito (Anopheles gambiae) |
Insecta | AgaP_AGAP002466 32 |
|
||
fruit fly (Drosophila melanogaster) |
Insecta | Task7 33 32 |
|
ManyToMany | |
CG9637 34 |
|
|
|||
CG9361 34 |
|
|
|||
Task6 33 |
|
ManyToMany | |||
worm (Caenorhabditis elegans) |
Secernentea | twk-23 34 |
|
|
|
sup-9 33 |
|
ManyToMany | |||
twk-4 34 |
|
|
|||
twk-20 33 |
|
ManyToMany | |||
twk-46 33 |
|
ManyToMany | |||
sea squirt (Ciona savignyi) |
Ascidiacea | -- 33 |
|
OneToMany |
SNP ID | Clin | Chr 08 pos | Variation | AA Info | Type |
---|---|---|---|---|---|
rs121908332 | pathogenic, Birk Barel mental retardation dysmorphism syndrome, not provided, Birk-Barel mental retardation dysmorphism syndrome (BIBAS) [MIM:612292] | 139,618,677(-) | C/G/T | coding_sequence_variant, missense_variant, non_coding_transcript_variant | |
rs1563758595 | uncertain-significance, Birk Barel mental retardation dysmorphism syndrome | 139,702,770(-) | C/T | coding_sequence_variant, genic_upstream_transcript_variant, missense_variant, non_coding_transcript_variant | |
rs79186831 | benign, Birk-Barel Intellectual Disability Dysmorphism Syndrome | 139,612,556(-) | G/GG/GGG | 3_prime_UTR_variant, coding_sequence_variant, frameshift, genic_downstream_transcript_variant, non_coding_transcript_variant | |
rs867543866 | likely-pathogenic, uncertain-significance, not provided, Birk Barel mental retardation dysmorphism syndrome | 139,618,991(-) | C/A/T | coding_sequence_variant, missense_variant, non_coding_transcript_variant | |
rs1563717544 | uncertain-significance, not provided | 139,618,917(-) | T/C | coding_sequence_variant, missense_variant, non_coding_transcript_variant |
Variant ID | Type | Subtype | PubMed ID |
---|---|---|---|
dgv1198n67 | CNV | gain | 20364138 |
dgv12360n54 | CNV | loss | 21841781 |
esv1065914 | CNV | insertion | 17803354 |
esv1422449 | CNV | deletion | 17803354 |
esv2154233 | CNV | deletion | 18987734 |
esv2661944 | CNV | deletion | 23128226 |
esv2677546 | CNV | deletion | 23128226 |
esv2737715 | CNV | deletion | 23290073 |
esv2737716 | CNV | deletion | 23290073 |
esv2737717 | CNV | deletion | 23290073 |
esv2737719 | CNV | deletion | 23290073 |
nsv1075174 | CNV | deletion | 25765185 |
nsv1137408 | CNV | deletion | 24896259 |
nsv397287 | CNV | deletion | 16902084 |
nsv397727 | CNV | deletion | 16902084 |
nsv465942 | CNV | loss | 19166990 |
nsv522721 | CNV | loss | 19592680 |
nsv524756 | CNV | gain | 19592680 |
nsv525709 | CNV | gain | 19592680 |
nsv612543 | CNV | loss | 21841781 |
nsv612544 | CNV | loss | 21841781 |
nsv6423 | CNV | deletion | 18451855 |
nsv6425 | CNV | deletion | 18451855 |
nsv824745 | CNV | gain | 20364138 |
Disorder | Aliases | PubMed IDs |
---|---|---|
birk-barel syndrome |
|
|
kcnk9 imprinting syndrome |
|
|
childhood absence epilepsy |
|
|
idiopathic central precocious puberty |
|
|