Bovine Interleukin 4, Active Protein is a purified Active Protein. Purity: >90% by SDS-PAGE. Host: 293F Cell. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Bovine (Bos taurus). Target Name: Interleukin 4. Accession Number: P30367. Gene ID: 280824. Expression Region: Lys26~Cys135. Tag Info: N-terminal His Tag. Theoretical MW: 18kda. Buffer: PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.. Target Synonyms: BSF1, BCGF1,B Cell Stimulatory Factor 1, Lymphocyte stimulatory factor 1, B Cell Growth Factor, Binetrakin, Pitrakinra Restrictions: For Research Use Only. Not for use in diagnostic procedures.