Gene Information
Gene NameKLK3
OrganismHomo sapiens (Human)
Gene Length261
Protein NamesProstate-specific antigen (PSA) (EC 3.4.21.77) (Gamma-seminoprotein) (Seminin) (Kallikrein-3) (P-30 antigen) (Semenogelase)
Target Nameprostate-specific antigen
Target TypeNA
Gene Age382 ( ENSG00000142515 )
Evolutionary StageMammalia
AlphaFoldDBP07288
Gene CardKLK3
Uniprot IDP07288
PfamPF00089
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 ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2ZCH  (X-ray  2.83A  2ZCK  (X-ray  3.10A  2ZCL  (X-ray  3.25A  3QUM  (X-ray  3.20A 
DBSNP rs2271092  rs2003783  rs17632542 
Subcellular location [CC]Secreted.
Mouse PG classificationNA
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