Recombinant Human Interleukin 7 (IL7) 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: Interleukin 7 (IL7). Target Synonyms: Pre-B-cell Growth Factor, Lymphopoietin-1. Accession Number: P13232. Gene ID: 3574. Expression Region: Asp26~His177. Tag Info: N-terminal His Tag. Theoretical MW: 21kDa. 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.