Prostate-Specific Antigen

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Prostate-specific antigen (261 aa, ~29 kDa) is encoded by the human KLK3 gene. This protein plays a role in both proteolysis and seminal fluid liquefaction.

**Synonyms:** - Antigen, Prostate-Specific - EC 3.4.21.77 - Gamma-Seminoprotein - KLK3 - Kallikrein-3 - P-30 Antigen - PSA - PSA - Prostate Specific Antigen - Prostate Specific Antigen Preproprotein - Prostate-Specific Antigen (PSA) - Semenogelase - Seminin - prostate-specific antigen