Recombinant Human Osteoclast Stimulating Factor 1 (OSF) is a purified Prokaryotic Protein. Purity: >95% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Osteoclast Stimulating Factor 1 (OSF). Target Synonyms: OSTF1, OSF, SH3P2. Accession Number: Q92882. Gene ID: 26578. Expression Region: Gly12~Asp214. Tag Info: N-terminal His Tag. Theoretical MW: 26kDa. 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.