Free for academic non-profit institutions. Other users need a Commercial license

Aliases for KCTD9 Gene

Aliases for KCTD9 Gene

  • Potassium Channel Tetramerization Domain Containing 9 2 3 5
  • Potassium Channel Tetramerisation Domain Containing 9 2 3
  • BTB/POZ Domain-Containing Protein KCTD9 3
  • BTBD27 3

External Ids for KCTD9 Gene

Previous GeneCards Identifiers for KCTD9 Gene

  • GC08M025307
  • GC08M025341
  • GC08M023830
  • GC08M025285

Summaries for KCTD9 Gene

GeneCards Summary for KCTD9 Gene

KCTD9 (Potassium Channel Tetramerization Domain Containing 9) is a Protein Coding gene. Among its related pathways are Sweet Taste Signaling and Hepatic ABC Transporters. An important paralog of this gene is KCTD5.

No data available for Entrez Gene Summary , UniProtKB/Swiss-Prot , Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for KCTD9 Gene

Genomics for KCTD9 Gene

Regulatory Elements for KCTD9 Gene

Enhancers for KCTD9 Gene
GeneHancer Identifier Enhancer Score Enhancer Sources Gene-Enhancer Score TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor Binding Sites within enhancer Gene Targets for Enhancer
GH08F025478 1.1 Ensembl ENCODE 21.6 -22.2 -22153 5.1 INSM2 KLF17 ZIC2 HIC1 ZNF324 ZFHX2 FOS MAFK MIXL1 EGR2 KCTD9 CDCA2 GC08P025504
GH08F025392 0.8 ENCODE 19.1 +65.4 65407 1.3 SOX13 SAP130 ZNF140 ZNF384 RARA TEAD3 NR2F6 GATAD2A SOX5 HMG20B KCTD9 GNRH1 CDCA2 PIR37075 GC08P025414
GH08F025236 1.5 FANTOM5 Ensembl ENCODE 10.1 +220.0 219976 3.4 ELF3 ATF1 ARID4B THRB ZSCAN9 RAD21 RARA CREM MIXL1 THAP11 DOCK5 KCTD9 CDCA2 GC08M025303
GH08F025318 1.1 Ensembl ENCODE 10.4 +138.9 138902 3.0 ELF3 PKNOX1 SIN3A RAD21 RARA YY1 FOS CREM DEK THAP11 GNRH1 CDCA2 KCTD9 GC08M025315 GC08M025303
- Elite enhancer and/or Elite enhancer-gene association Download GeneHancer data dump

Enhancers around KCTD9 on UCSC Golden Path with GeneCards custom track

Promoters for KCTD9 Gene
Ensembl Regulatory Elements (ENSRs) TSS Distance (bp) Size (bp) Binding Sites for Transcription Factors within promoters

Genomic Location for KCTD9 Gene

25,427,842 bp from pter
25,458,476 bp from pter
30,635 bases
Minus strand

Genomic View for KCTD9 Gene

Genes around KCTD9 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
KCTD9 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for KCTD9 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for KCTD9 Gene

Proteins for KCTD9 Gene

  • Protein details for KCTD9 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    BTB/POZ domain-containing protein KCTD9
    Protein Accession:
    Secondary Accessions:
    • Q6NUM8
    • Q9NXV4

    Protein attributes for KCTD9 Gene

    389 amino acids
    Molecular mass:
    42567 Da
    Quaternary structure:
    No Data Available
    • Sequence=BAA90904.1; Type=Erroneous initiation; Evidence={ECO:0000305};

    Three dimensional structures from OCA and Proteopedia for KCTD9 Gene

neXtProt entry for KCTD9 Gene

Post-translational modifications for KCTD9 Gene

  • Ubiquitination at Lys 371
  • Modification sites at PhosphoSitePlus

Other Protein References for KCTD9 Gene

ENSEMBL proteins:
REFSEQ proteins:

No data available for DME Specific Peptides for KCTD9 Gene

Domains & Families for KCTD9 Gene

Gene Families for KCTD9 Gene

Suggested Antigen Peptide Sequences for KCTD9 Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry



  • Contains 1 BTB (POZ) domain.
  • Contains 1 BTB (POZ) domain.
  • Contains 1 KHA domain.
  • Contains 3 pentapeptide repeat domains.
genes like me logo Genes that share domains with KCTD9: view

Function for KCTD9 Gene

Gene Ontology (GO) - Molecular Function for KCTD9 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005515 protein binding IPI 25416956
GO:0042802 identical protein binding IPI 21516116
GO:0043621 protein self-association IDA 26334369
GO:0097602 cullin family protein binding IDA 26334369
genes like me logo Genes that share ontologies with KCTD9: view
genes like me logo Genes that share phenotypes with KCTD9: view

Animal Model Products

miRNA for KCTD9 Gene

miRTarBase miRNAs that target KCTD9

Inhibitory RNA Products

Flow Cytometry Products

No data available for Molecular function , Enzyme Numbers (IUBMB) , Human Phenotype Ontology , Animal Models , Transcription Factor Targets and HOMER Transcription for KCTD9 Gene

Localization for KCTD9 Gene

Subcellular locations from

Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
COMPARTMENTS Subcellular localization image for KCTD9 gene
Compartment Confidence
mitochondrion 3
nucleus 3
cytosol 3
cytoskeleton 2
extracellular 1
peroxisome 1
lysosome 1

Gene Ontology (GO) - Cellular Components for KCTD9 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005737 cytoplasm IBA --
genes like me logo Genes that share ontologies with KCTD9: view

No data available for Subcellular locations from UniProtKB/Swiss-Prot for KCTD9 Gene

Pathways & Interactions for KCTD9 Gene

genes like me logo Genes that share pathways with KCTD9: view

Gene Ontology (GO) - Biological Process for KCTD9 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0051260 protein homooligomerization IEA --
genes like me logo Genes that share ontologies with KCTD9: view

No data available for SIGNOR curated interactions for KCTD9 Gene

Transcripts for KCTD9 Gene

Unigene Clusters for KCTD9 Gene

Potassium channel tetramerisation domain containing 9:
Representative Sequences:

Inhibitory RNA Products

Flow Cytometry Products

Alternative Splicing Database (ASD) splice patterns (SP) for KCTD9 Gene

No ASD Table

Relevant External Links for KCTD9 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for KCTD9 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and SAGE for KCTD9 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

Protein differential expression in normal tissues from HIPED for KCTD9 Gene

This gene is overexpressed in Testis (36.4) and Seminal vesicle (31.6).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, MaxQB, and MOPED for KCTD9 Gene

Protein tissue co-expression partners for KCTD9 Gene

- Elite partner

NURSA nuclear receptor signaling pathways regulating expression of KCTD9 Gene:


SOURCE GeneReport for Unigene cluster for KCTD9 Gene:

genes like me logo Genes that share expression patterns with KCTD9: view

No data available for mRNA differential expression in normal tissues and mRNA Expression by UniProt/SwissProt for KCTD9 Gene

Orthologs for KCTD9 Gene

This gene was present in the common ancestor of eukaryotes.

Orthologs for KCTD9 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia KCTD9 34 35
  • 99.91 (n)
(Bos Taurus)
Mammalia KCTD9 35
  • 98 (a)
(Canis familiaris)
Mammalia KCTD9 34 35
  • 96.25 (n)
(Monodelphis domestica)
Mammalia KCTD9 35
  • 93 (a)
(Ornithorhynchus anatinus)
Mammalia KCTD9 35
  • 92 (a)
(Mus musculus)
Mammalia Kctd9 34 16 35
  • 91.43 (n)
(Rattus norvegicus)
Mammalia Kctd9 34
  • 91.43 (n)
(Gallus gallus)
Aves KCTD9 34 35
  • 82.43 (n)
(Anolis carolinensis)
Reptilia KCTD9 35
  • 89 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia kctd9 34
  • 73.26 (n)
Str.3830 34
(Danio rerio)
Actinopterygii KCTD9 (2 of 2) 35
  • 87 (a)
kctd9 35
  • 85 (a)
zgc:113115 34
  • 74.04 (n)
fruit fly
(Drosophila melanogaster)
Insecta CG14647 34 35
  • 56.05 (n)
African malaria mosquito
(Anopheles gambiae)
Insecta AgaP_AGAP000478 34
  • 51.64 (n)
thale cress
(Arabidopsis thaliana)
eudicotyledons FIP2 34
  • 47.24 (n)
sea squirt
(Ciona savignyi)
Ascidiacea CSA.10153 35
  • 56 (a)
Species where no ortholog for KCTD9 was found in the sources mined by GeneCards:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)

Evolution for KCTD9 Gene

Gene Tree for KCTD9 (if available)
Gene Tree for KCTD9 (if available)

Paralogs for KCTD9 Gene

Paralogs for KCTD9 Gene

(1) SIMAP similar genes for KCTD9 Gene using alignment to 3 proteins:

genes like me logo Genes that share paralogs with KCTD9: view

Variants for KCTD9 Gene

Sequence variations from dbSNP and Humsavar for KCTD9 Gene

SNP ID Clin Chr 08 pos Sequence Context AA Info Type
rs10099739 -- 25,431,329(+) AGGta(A/C/G)gtata intron-variant
rs10108541 -- 25,441,935(+) ggagg(C/T)tgaag intron-variant
rs10503770 -- 25,445,411(+) TTATA(A/G)GTTAA intron-variant
rs10503771 -- 25,446,504(+) AATAG(C/T)GCTCC intron-variant
rs11135864 -- 25,450,002(+) CCAGA(C/T)GATAG intron-variant

Structural Variations from Database of Genomic Variants (DGV) for KCTD9 Gene

Variant ID Type Subtype PubMed ID
nsv981920 CNV duplication 23825009
nsv967571 CNV duplication 23825009
nsv6125 CNV insertion 18451855
nsv1126851 CNV deletion 24896259
nsv1112960 CNV deletion 24896259
nsv1076073 CNV deletion 25765185
nsv1031153 CNV gain 25217958
esv3616666 OTHER inversion 21293372
esv2759606 CNV loss 17122850
dgv7148n100 CNV gain 25217958

Variation tolerance for KCTD9 Gene

Residual Variation Intolerance Score: 26.7% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 0.44; 9.69% of all genes are more intolerant (likely to be disease-causing)

Relevant External Links for KCTD9 Gene

SNPedia medical, phenotypic, and genealogical associations of SNPs for

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for KCTD9 Gene

Disorders for KCTD9 Gene

Relevant External Links for KCTD9

Atlas of Genetics and Cytogenetics in Oncology and Haematology:

No disorders were found for KCTD9 Gene.

No data available for MalaCards , UniProtKB/Swiss-Prot and Genatlas for KCTD9 Gene

Publications for KCTD9 Gene

  1. Complete sequencing and characterization of 21,243 full-length human cDNAs. (PMID: 14702039) Ota T. … Sugano S. (Nat. Genet. 2004) 3 4 64
  2. The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). (PMID: 15489334) Gerhard D.S. … Malek J. (Genome Res. 2004) 3 4 64
  3. Gene expression profiling in human fetal liver and identification of tissue- and developmental-stage-specific genes through compiled expression profiles and efficient cloning of full-length cDNAs. (PMID: 11483580) Yu Y. … He F. (Genome Res. 2001) 2 3 64
  4. Structural Insights into KCTD Protein Assembly and Cullin3 Recognition. (PMID: 26334369) Ji A.X. … PrivAc G.G. (J. Mol. Biol. 2016) 3 64
  5. The BioPlex Network: A Systematic Exploration of the Human Interactome. (PMID: 26186194) Huttlin E.L. … Gygi S.P. (Cell 2015) 3 64

Products for KCTD9 Gene

Sources for KCTD9 Gene

Loading form....