Recombinant Human Follistatin Like Protein 1 (FSTL1) is a purified Prokaryotic Protein. Purity: >90% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Follistatin Like Protein 1 (FSTL1). Target Synonyms: FRP, FSL1, Follistatin-related protein 1. Accession Number: Q12841. Gene ID: 11167. Expression Region: Glu21~Ile308. Tag Info: N-terminal His Tag. Theoretical MW: 36kDa. 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.