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Aliases for KLK9 Gene

Aliases for KLK9 Gene

  • Kallikrein Related Peptidase 9 2 3 5
  • Kallikrein-Like Protein 3 3 4
  • KLK-L3 3 4
  • Kallikrein-9 3
  • Kallikrein 9 2
  • EC 3.4.21.- 4
  • KLKL3 3

External Ids for KLK9 Gene

Previous GeneCards Identifiers for KLK9 Gene

  • GC19M052136
  • GC19M051867
  • GC19M056181
  • GC19M056192
  • GC19M056197
  • GC19M056194
  • GC19M051505
  • GC19M047838

Summaries for KLK9 Gene

Entrez Gene Summary for KLK9 Gene

  • The protein encoded by this gene is a kallikrein-related serine protease. This gene is activated by steroid hormones in a human breast cancer cell line, making it a good marker for cancer detection. The encoded protein is found primarily in the cytoplasm.[provided by RefSeq, Oct 2010]

GeneCards Summary for KLK9 Gene

KLK9 (Kallikrein Related Peptidase 9) is a Protein Coding gene. Among its related pathways are MSP-RON Signaling and Collagen chain trimerization. Gene Ontology (GO) annotations related to this gene include serine-type endopeptidase activity. An important paralog of this gene is ENSG00000269741.

Gene Wiki entry for KLK9 Gene

Additional gene information for KLK9 Gene

No data available for CIViC summary , UniProtKB/Swiss-Prot , Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for KLK9 Gene

Genomics for KLK9 Gene

GeneHancer (GH) Regulatory Elements for KLK9 Gene

Promoters and enhancers for KLK9 Gene
GeneHancer (GH) Identifier GH Type GH
GH Sources Gene Association Score Total Score TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor
Binding Sites
Gene Targets
GH19J051009 Promoter/Enhancer 0.9 EPDnew ENCODE 650.7 -0.6 -584 1.8 ZFP3 ZNF189 FOS ENSG00000269741 KLK9 ENSG00000268739 ENSG00000267879
GH19J051010 Promoter 0.5 EPDnew 650.7 +0.4 361 0.1 ENSG00000269741 KLK9 KLK8 ENSG00000267879
GH19J050999 Promoter/Enhancer 1.5 EPDnew Ensembl ENCODE 0.4 +8.1 8097 3.6 HDAC1 HDGF PKNOX1 ATF1 KLF14 ZBTB40 POLR2B EGR1 ATF7 CREM KLK8 KLK7 KLK10 ENSG00000269741 KLK9 ENSG00000267879
- Elite GeneHancer and/or Elite GeneHancer-gene association Download GeneHancer data from 2017 publication | Request up-to-date GeneHancer data (full dataset)

GeneHancers around KLK9 on UCSC Golden Path with GeneCards custom track

Top Transcription factor binding sites by QIAGEN in the KLK9 gene promoter:
  • Gfi-1
  • ER-alpha
  • HEN1
  • Zic3
  • ZID
  • NF-E2 p45
  • NF-E2
  • c-Myb
  • AML1a

Genomic Locations for KLK9 Gene

Genomic Locations for KLK9 Gene
7,122 bases
Minus strand
9,085 bases
Minus strand

Genomic View for KLK9 Gene

Genes around KLK9 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
KLK9 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for KLK9 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for KLK9 Gene

Proteins for KLK9 Gene

  • Protein details for KLK9 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Protein Accession:
    Secondary Accessions:
    • Q6QA55

    Protein attributes for KLK9 Gene

    250 amino acids
    Molecular mass:
    27513 Da
    Quaternary structure:
    No Data Available

    Alternative splice isoforms for KLK9 Gene


neXtProt entry for KLK9 Gene

Post-translational modifications for KLK9 Gene

  • Glycosylation at Asn211, isoforms=166, and isoforms=131
  • Modification sites at PhosphoSitePlus

Other Protein References for KLK9 Gene

ENSEMBL proteins:
REFSEQ proteins:

No data available for DME Specific Peptides for KLK9 Gene

Domains & Families for KLK9 Gene

Gene Families for KLK9 Gene

Human Protein Atlas (HPA):
  • Cancer-related genes
  • Enzymes
  • Predicted secreted proteins

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the peptidase S1 family. Kallikrein subfamily.
  • Belongs to the peptidase S1 family. Kallikrein subfamily.
genes like me logo Genes that share domains with KLK9: view

Function for KLK9 Gene

Enzyme Numbers (IUBMB) for KLK9 Gene

Gene Ontology (GO) - Molecular Function for KLK9 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0004252 serine-type endopeptidase activity NAS 11054574
GO:0008233 peptidase activity IEA --
GO:0008236 serine-type peptidase activity IEA --
GO:0016787 hydrolase activity IEA --
genes like me logo Genes that share ontologies with KLK9: view
genes like me logo Genes that share phenotypes with KLK9: view

Animal Model Products

  • Taconic Biosciences Mouse Models for KLK9

miRNA for KLK9 Gene

miRTarBase miRNAs that target KLK9

Clone Products

No data available for Molecular function , Phenotypes From GWAS Catalog , Human Phenotype Ontology , Animal Models , Transcription Factor Targets and HOMER Transcription for KLK9 Gene

Localization for KLK9 Gene

Subcellular locations from UniProtKB/Swiss-Prot for KLK9 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 KLK9 gene
Compartment Confidence
extracellular 5
lysosome 1

Gene Ontology (GO) - Cellular Components for KLK9 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005576 extracellular region IEA --
GO:0030141 secretory granule IBA --
genes like me logo Genes that share ontologies with KLK9: view

No data available for Subcellular locations from the Human Protein Atlas (HPA) for KLK9 Gene

Pathways & Interactions for KLK9 Gene

genes like me logo Genes that share pathways with KLK9: view

Pathways by source for KLK9 Gene

Interacting Proteins for KLK9 Gene

Gene Ontology (GO) - Biological Process for KLK9 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006508 proteolysis IEA --
genes like me logo Genes that share ontologies with KLK9: view

No data available for SIGNOR curated interactions for KLK9 Gene

Drugs & Compounds for KLK9 Gene

No Compound Related Data Available

Transcripts for KLK9 Gene

mRNA/cDNA for KLK9 Gene

(1) REFSEQ mRNAs :
(0) Additional mRNA sequences :
(47) Selected AceView cDNA sequences:
(2) Ensembl transcripts including schematic representations, and UCSC links where relevant :

Unigene Clusters for KLK9 Gene

Kallikrein-related peptidase 9:
Representative Sequences:

Clone Products

Alternative Splicing Database (ASD) splice patterns (SP) for KLK9 Gene

No ASD Table

Relevant External Links for KLK9 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for KLK9 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and CGAP SAGE for KLK9 Gene

NURSA nuclear receptor signaling pathways regulating expression of KLK9 Gene:


SOURCE GeneReport for Unigene cluster for KLK9 Gene:


mRNA Expression by UniProt/SwissProt for KLK9 Gene:

Tissue specificity: Skin, thymus, trachea, cerebellum and spinal cord.
genes like me logo Genes that share expression patterns with KLK9: view

No data available for mRNA expression in embryonic tissues and stem cells from LifeMap Discovery , mRNA differential expression in normal tissues , Protein differential expression in normal tissues , Protein expression , Protein tissue co-expression partners , Evidence on tissue expression from TISSUES and Phenotype-based relationships between genes and organs from Gene ORGANizer for KLK9 Gene

Orthologs for KLK9 Gene

This gene was present in the common ancestor of chordates.

Orthologs for KLK9 Gene

Organism Taxonomy Gene Similarity Type Details
(Canis familiaris)
Mammalia KLK9 33
  • 88.4 (n)
-- 34
  • 23 (a)
(Bos Taurus)
Mammalia KLK9 34 33
  • 87.07 (n)
(Rattus norvegicus)
Mammalia Klk9 33
  • 79.15 (n)
(Mus musculus)
Mammalia Klk9 16 34 33
  • 78.3 (n)
(Monodelphis domestica)
Mammalia -- 34
  • 76 (a)
(Anolis carolinensis)
Reptilia -- 34
  • 45 (a)
Species where no ortholog for KLK9 was found in the sources mined by GeneCards:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • African malaria mosquito (Anopheles gambiae)
  • 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)
  • chicken (Gallus gallus)
  • chimpanzee (Pan troglodytes)
  • 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)
  • fruit fly (Drosophila melanogaster)
  • 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)
  • platypus (Ornithorhynchus anatinus)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea squirt (Ciona intestinalis)
  • sea squirt (Ciona savignyi)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • tropical clawed frog (Silurana tropicalis)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)
  • zebrafish (Danio rerio)

Evolution for KLK9 Gene

Gene Tree for KLK9 (if available)
Gene Tree for KLK9 (if available)
Evolutionary constrained regions (ECRs) for KLK9: view image

Paralogs for KLK9 Gene

genes like me logo Genes that share paralogs with KLK9: view

Variants for KLK9 Gene

Sequence variations from dbSNP and Humsavar for KLK9 Gene

SNP ID Clin Chr 19 pos Variation AA Info Type
rs1000135001 -- 51,011,515(-) T/C upstream_transcript_variant
rs1000252442 -- 51,005,912(-) T/A intron_variant
rs1000805715 -- 51,007,069(-) A/T intron_variant
rs1000920423 -- 51,007,213(-) T/C intron_variant
rs1002068708 -- 51,002,576(-) C/T 3_prime_UTR_variant

Structural Variations from Database of Genomic Variants (DGV) for KLK9 Gene

Variant ID Type Subtype PubMed ID
dgv6515n54 CNV loss 21841781
dgv6516n54 CNV loss 21841781
esv2671814 CNV deletion 23128226
esv29146 CNV loss 19812545
esv3644663 CNV loss 21293372
nsv1058277 CNV gain 25217958
nsv1112751 CNV deletion 24896259
nsv1140251 OTHER inversion 24896259
nsv579961 CNV loss 21841781

Variation tolerance for KLK9 Gene

Residual Variation Intolerance Score: 55.4% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 0.99; 20.36% of all genes are more intolerant (likely to be disease-causing)

Additional Variant Information for KLK9 Gene

SNPedia medical, phenotypic, and genealogical associations of SNPs for

SNP Genotyping and Copy Number Assay Products

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for KLK9 Gene

Disorders for KLK9 Gene

Additional Disease Information for KLK9

Genetic Association Database
Human Genome Epidemiology Navigator
ATLAS of Genetics and Cytogenetics in Oncology and Haematology

No disorders were found for KLK9 Gene.

No data available for MalaCards , UniProtKB/Swiss-Prot and Genatlas for KLK9 Gene

Publications for KLK9 Gene

  1. The expanded human kallikrein gene family: locus characterization and molecular cloning of a new member, KLK-L3 (KLK9). (PMID: 10783266) Yousef GM … Diamandis EP (Genomics 2000) 3 4 22 58
  2. Blood biomarker levels to aid discovery of cancer-related single-nucleotide polymorphisms: kallikreins and prostate cancer. (PMID: 20424135) Klein RJ … Lilja H (Cancer prevention research (Philadelphia, Pa.) 2010) 3 44 58
  3. Proceedings of the 1st International Symposium on Kallikreins, Lausanne, Switzerland, September 1-3 , 2005. (PMID: 16800723) (Biological chemistry 2006) 2 3 58
  4. A comprehensive nomenclature for serine proteases with homology to tissue kallikreins. (PMID: 16800724) Lundwall A … Yousef GM (Biological chemistry 2006) 2 3 58
  5. The DNA sequence and biology of human chromosome 19. (PMID: 15057824) Grimwood J … Lucas SM (Nature 2004) 3 4 58

Products for KLK9 Gene

Sources for KLK9 Gene

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