Gene Gene information from NCBI Gene database.
Entrez ID 3751
Gene name Potassium voltage-gated channel subfamily D member 2
Gene symbol KCND2
Synonyms (NCBI Gene)
KV4.2RK5
Chromosome 7
Chromosome location 7q31.31
Summary Voltage-gated potassium (Kv) 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, neuro
miRNA miRNA information provided by mirtarbase database.
61
miRTarBase ID miRNA Experiments Reference
MIRT1080701 hsa-miR-1 CLIP-seq
MIRT1080702 hsa-miR-1248 CLIP-seq
MIRT1080703 hsa-miR-1273f CLIP-seq
MIRT1080704 hsa-miR-1297 CLIP-seq
MIRT1080705 hsa-miR-143 CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
66
GO ID Ontology Definition Evidence Reference
GO:0001508 Process Action potential IBA
GO:0001508 Process Action potential IDA 14980201
GO:0001508 Process Action potential TAS 11102480
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005249 Function Voltage-gated potassium channel activity IDA 24811166
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
605410 6238 ENSG00000184408
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q9NZV8
Protein name A-type voltage-gated potassium channel KCND2 (Potassium voltage-gated channel subfamily D member 2) (Voltage-gated potassium channel subunit Kv4.2)
Protein function Voltage-gated potassium channel that mediates transmembrane potassium transport in excitable membranes, primarily in the brain. Mediates the major part of the dendritic A-type current I(SA) in brain neurons (By similarity). This current is activ
PDB 7E7Z , 7E83 , 7E84 , 7E87 , 7E8B , 7E8E , 7E8H , 7F0J , 7F3F , 7UK5 , 7UKC , 7UKD , 7UKE , 7UKF , 7UKG , 7UKH
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF11601 Shal-type 3 31 Shal-type voltage-gated potassium channels, N-terminal Domain
PF02214 BTB_2 43 132 BTB/POZ domain Domain
PF00520 Ion_trans 184 417 Ion transport protein Family
PF11879 DUF3399 445 546 Domain of unknown function (DUF3399) Family
Tissue specificity TISSUE SPECIFICITY: Detected in ovary, in corpus luteum and in granulosa and theca cells in the follicle (at protein level) (PubMed:15991246). Highly expressed throughout the brain (PubMed:10551270, PubMed:10729221). Detected in amygdala, caudate nucleus,
Sequence
Sequence length 630
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Serotonergic synapse   Voltage gated Potassium channels
Phase 1 - inactivation of fast Na+ channels
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
19
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
Early myoclonic encephalopathy Pathogenic; Likely pathogenic rs1236737877, rs1273708047, rs587777631, rs1472234526, rs1792826036, rs750457269 RCV001949358
RCV002005184
RCV001224876
RCV002816426
RCV001302928
View all (1 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
KCND2-related neurodevelopmental disorder Pathogenic; Likely pathogenic rs587777631, rs1792826036 RCV005867922
RCV005253790
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Neurodevelopmental disorder Likely pathogenic; Pathogenic rs1792826036 RCV004017817
★★★★☆
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
ANDROGENETIC ALOPECIA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATOPIC ECZEMA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATTENTION DEFICIT HYPERACTIVITY DISORDER GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CHOLANGIOCARCINOMA CTD
★★☆☆☆
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
Atrial Fibrillation Atrial fibrillation Pubtator 37122220 Associate
★☆☆☆☆
Found in Text Mining only
Autism Spectrum Disorder Autism Pubtator 21996756 Associate
★☆☆☆☆
Found in Text Mining only
Autistic Disorder Autism BEFREE 24501278
★☆☆☆☆
Found in Text Mining only
Autistic Disorder Autism Pubtator 24501278 Associate
★☆☆☆☆
Found in Text Mining only
Autistic Disorder Autism GENOMICS_ENGLAND_DG 29581270
★☆☆☆☆
Found in Text Mining only
Brugada Syndrome (disorder) Brugada Syndrome BEFREE 10942109
★☆☆☆☆
Found in Text Mining only
Cerebral Infarction Cerebral Infarction BEFREE 29119925
★☆☆☆☆
Found in Text Mining only
Depressive Disorder Major Major depressive disorder Pubtator 35468096 Associate
★☆☆☆☆
Found in Text Mining only
Epilepsy Epilepsy BEFREE 24501278
★☆☆☆☆
Found in Text Mining only
Epilepsy Epilepsy Pubtator 24501278 Associate
★☆☆☆☆
Found in Text Mining only