Prokaryotic Rat Proenkephalin is a purified Prokaryotic Protein. Purity: >90% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Rat. Target Name: Proenkephalin. Expression Region: Leu50~Phe269. Tag Info: N-terminal His Tag. Theoretical MW: 50kda. Buffer: PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.. Target Synonyms: Preproenkephalin, Proenkephalin-A, Synenkephalin, Met-enkephalin, Met-enkephalin-Arg-Gly-Leu, Leu-enkephalin, Met-enkephalin-Arg-Phe Restrictions: For Research Use Only. Not for use in diagnostic procedures.