Gene Information
Gene NameKLK3
OrganismHomo sapiens (Human)
Gene Length638
Protein NamesPlasma kallikrein (EC 3.4.21.34) (Fletcher factor) (Kininogenin) (Plasma prekallikrein) (PKK) [Cleaved into: Plasma kallikrein heavy chain; Plasma kallikrein light chain]
Target Nameprostate specific antigen
Target TypeClinical trial target
Gene Age382 ( ENSG00000142515 )
Evolutionary StageMammalia
AlphaFoldDBP03952
Gene CardKLKB1
Uniprot IDP03952
PfamPF00024; PF00089
In ASDno
Allosteric Predictionyes (1.03853419)
Ortholog in AnimalsAlpaca_ KLK3 ( ortholog_one2one )
Dog_ KLK2 ( ortholog_one2many )
Macaque_ KLK3 ( ortholog_one2one )
Mouse_ Klk1 ( ortholog_many2many )
Mouse_ Klk1b27 ( ortholog_many2many )
Mouse_ Klk1b4 ( ortholog_many2many )
Mouse_ Klk1b8 ( ortholog_many2many )
Mouse_ Klk1b9 ( ortholog_many2many )
Mouse_ Klk1b24 ( ortholog_many2many )
Mouse_ Klk1b26 ( ortholog_many2many )
Mouse_ Klk1b16 ( ortholog_many2many )
Mouse_ Klk1b11 ( ortholog_many2many )
Mouse_ Klk1b22 ( ortholog_many2many )
Mouse_ Klk1b5 ( ortholog_many2many )
Mouse_ Klk1b21 ( ortholog_many2many )
Mouse_ Klk1b1 ( ortholog_many2many )
Mouse_ Klk1b3 ( ortholog_many2many )
OhnologsNA
ParalogsKLK2, KLK1, KLK8, KLK7, KLK4, KLK5, KLK11, KLK14, KLK12, PRSS58, TMPRSS4, PRSS54
Tissueprostate
Tissue SpecificityNA
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2ANW  (X-ray  1.85A  2ANY  (X-ray  1.40A  4OGX  (X-ray  2.40A  4OGY  (X-ray  2.10A  5F8T  (X-ray  1.75A  5F8X  (X-ray  1.55A  5F8Z  (X-ray  1.50A  5TJX  (X-ray  1.41A  6I44  (X-ray  1.36A  6O1G  (X-ray  2.20A  6O1S  (X-ray  1.70A  6T7P  (X-ray  1.42A  7N7X  (X-ray  2.10A 
DBSNP rs121964952  rs3733402  rs4253257  rs4253373  rs145640112  rs2278542  rs4253376  rs4253377  rs4253379  rs4253301  rs4253316  rs121964951  rs4253325 
Subcellular location [CC]Secreted.
Mouse PG classificationNA
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