Recombinant Human Chymotrypsinogen B/CTRB1 Protein (His Tag) (PKSH032254)
 
                        For research use only.
| Synonyms | CTRB, CTRB1, Chymotrypsinogen B | 
| Species | Human | 
| Expression Host | HEK293 Cells | 
| Sequence | Cys19-Asn263 | 
| Accession | P17538 | 
| Calculated Molecular Weight | 26.9 kDa | 
| Observed Molecular Weight | 28 kDa | 
| Tag | C-His | 
| Bio-activity | Not validated for activity | 
| Form | Liquid | 
| Purity | > 95 % as determined by reducing SDS-PAGE. | 
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. | 
| Storage | Store at < -20°C, stable for 6 months. Please minimize freeze-thaw cycles. | 
| Shipping | This product is provided as liquid. It is shipped at frozen temperature with blue ice/gel packs. Upon receipt, store it immediately at < - 20°C. | 
| Formulation | Supplied as a 0.2 μm filtered solution of 20mM Tris-HCl, 150mM NaCl, pH 8.0. | 
| 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. | 
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