Recombinant Human Chymotrypsinogen B2 (CTRB2) 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: Chymotrypsinogen B2 (CTRB2). Accession Number: Q6GPI1. Gene ID: 440387. Expression Region: Ile34~Asn263. Tag Info: N-terminal His and GST Tag. Theoretical MW: 54&50kDa. 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.