名称：重组人Chymotrypsinogen B/CTRB1Protein（C-6His）；
产品说明(Description) Recombinant Human Chymotrypsinogen B is produced by our Mammalian expression system and the target gene encoding Cys19-Asn263 is expressed with a 6His tag at the C-terminus. Accession #: P17538 Known as: Chymotrypsinogen B; CTRB1; CTRB 制剂（Formulation） Supplied as a 0.2 μm filtered solution of 20mM TrisHCl, 150mM NaCl, pH 8.0. 质量控制（Quality Control） Purity: Greater than 95% as determined by reducing SDS-PAGE. Endotoxin: Less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test. 复溶（Reconstitution） 保存（Storage） Store at < -20°C, stable for 6 months after receipt.Please minimize freeze-thaw cycles. 背景（Background） Chymotrypsinogen B (CTRB1) is a 263 amino acid protein with signal peptide (1-18) and Chymotrypsinogen B (19-263). Chymotrypsinogen B have three chains:Chymotrypsin B chain A(19-31), Chymotrypsin B chain B(34-164), Chymotrypsin B chain C (167-263). Chymotrypsinogen B is a Serine Protease Hydrolase secrets into gastrointestinal tract as the inactive precursor Chymotrypsinogen. 电泳(SDS-PAGE) FOR RESEARCH USE ONLY