Gene Gene information from NCBI Gene database.
Entrez ID 3783
Gene name Potassium calcium-activated channel subfamily N member 4
Gene symbol KCNN4
Synonyms (NCBI Gene)
DHS2IKIK1IKCA1KCA4KCa3.1SK4SKCa4hIK1hIKCa1hKCa4hSK4
Chromosome 19
Chromosome location 19q13.31
Summary The protein encoded by this gene is part of a potentially heterotetrameric voltage-independent potassium channel that is activated by intracellular calcium. Activation is followed by membrane hyperpolarization, which promotes calcium influx. The encoded p
SNPs SNP information provided by dbSNP.
3
SNP ID Visualize variation Clinical significance Consequence
rs774455945 C>T Pathogenic Missense variant, coding sequence variant, non coding transcript variant
rs1057519076 C>A,T Pathogenic Coding sequence variant, missense variant, non coding transcript variant
rs1057519077 A>T Pathogenic Coding sequence variant, missense variant, non coding transcript variant
miRNA miRNA information provided by mirtarbase database.
74
miRTarBase ID miRNA Experiments Reference
MIRT001448 hsa-miR-16-5p pSILAC 18668040
MIRT019994 hsa-miR-375 Microarray 20215506
MIRT024000 hsa-miR-1-3p Proteomics 18668040
MIRT028637 hsa-miR-30a-5p Proteomics 18668040
MIRT001448 hsa-miR-16-5p Proteomics;Other 18668040
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
REST Repression 16209944
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
52
GO ID Ontology Definition Evidence Reference
GO:0002376 Process Immune system process IEA
GO:0005267 Function Potassium channel activity IEA
GO:0005267 Function Potassium channel activity TAS
GO:0005515 Function Protein binding IPI 12198491, 18796614, 27092946, 32296183
GO:0005516 Function Calmodulin binding IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
602754 6293 ENSG00000104783
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
O15554
Protein name Intermediate conductance calcium-activated potassium channel protein 4 (SKCa 4) (SKCa4) (hSK4) (Gardos channel) (IKCa1) (hIK1) (KCa3.1) (Putative Gardos channel) (hKCa4)
Protein function Intermediate conductance calcium-activated potassium channel that mediates the voltage-independent transmembrane transfer of potassium across the cell membrane through a constitutive interaction with calmodulin which binds the intracellular calc
PDB 6CNM , 6CNN , 6CNO , 6D42
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF03530 SK_channel 11 124 Calcium-activated SK potassium channel Family
PF07885 Ion_trans_2 211 291 Ion channel Family
PF02888 CaMBD 304 375 Calmodulin binding domain Family
Tissue specificity TISSUE SPECIFICITY: Widely expressed in non-excitable tissues. {ECO:0000269|PubMed:9380751}.
Sequence
Sequence length 427
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Insulin secretion
GnRH secretion
Salivary secretion
Protein digestion and absorption
  Ca2+ activated K+ channels
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
14
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Dehydrated hereditary stomatocytosis 2 Pathogenic; Likely pathogenic rs774455945, rs1057519076, rs1057519077 RCV000412510
RCV000412590
RCV000412652
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Dehydrated hereditary stomatocytosis with or without pseudohyperkalemia and/or perinatal edema Pathogenic rs1969582489 RCV001352675
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
BREAST CANCER GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
BREAST CARCINOMA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CEREBRAL INFARCTION Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CYSTIC FIBROSIS Disgenet, GWAS catalog, Orphanet
Disgenet, GWAS catalog, Orphanet
Disgenet, GWAS catalog, Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Abetalipoproteinemia Abetalipoproteinemia HPO_DG
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 35931864 Associate
★☆☆☆☆
Found in Text Mining only
Androgen Insensitivity Syndrome Androgen insensitivity syndrome Pubtator 23904164 Associate
★☆☆☆☆
Found in Text Mining only
Anemia Hemolytic Congenital Hemolytic anemia Pubtator 28496185 Associate
★☆☆☆☆
Found in Text Mining only
Anemia, Hemolytic Anemia HPO_DG
★☆☆☆☆
Found in Text Mining only
Anemia, Sickle Cell Anemia BEFREE 31352162
★☆☆☆☆
Found in Text Mining only
ANOPHTHALMIA AND PULMONARY HYPOPLASIA Syndromic microphthalmia BEFREE 29050937, 30826748
★☆☆☆☆
Found in Text Mining only
Anorexia Anorexia BEFREE 31684854
★☆☆☆☆
Found in Text Mining only
Arthritis Arthritis BEFREE 28683532
★☆☆☆☆
Found in Text Mining only
Asthma Asthma Pubtator 23904164 Associate
★☆☆☆☆
Found in Text Mining only