Eukaryotic Human Prostate Specific Antigen (PSA) is a purified Eukaryotic Protein. Purity: >97% by SDS-PAGE. Host: 293F Cell. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Prostate Specific Antigen (PSA). Target Synonyms: KLK3, APS, KLK2A1, HK3, KLKB1, Seminin, Prostate Specific Antigen, Kallikrein-Related Peptidase 3, Semenogelase, g-Seminoprotein, P-30 Antigen, Plasma kallikrein. Accession Number: P07288. Gene ID: 354. Expression Region: Ala18~Pro261. Tag Info: N-terminal His Tag. Theoretical MW: 35kDa. Buffer: PBS, pH7.4, containing 5% Trehalose. Storage: -20C. Avoid repeated freeze/thaw cycles. Restrictions: For Research Use Only. Not for use in diagnostic procedures.