Recombinant Human Sperm Protein 17 (Sp17) is a purified Prokaryotic Protein. Purity: >97% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Sperm Protein 17 (Sp17). Target Synonyms: SPA17, SP17, SP17-1, CT22, Sperm Autoantigenic Protein 17, Cancer/Testis Antigen 22. Accession Number: Q15506. Gene ID: 53340. Expression Region: Met1~Gln143. Tag Info: N-terminal His Tag. Theoretical MW: 27kDa. Buffer: PBS, pH7.4, containing 0.01% SKL, 5% Trehalose. Storage: -20C. Avoid repeated freeze/thaw cycles. Restrictions: For Research Use Only. Not for use in diagnostic procedures.