ProSpec Bio Recombinant E. coli Beta Lactamase, His Tag

Recombinant E. coli Beta Lactamase, His Tag by ProSpec Bio is recombinant beta-lactamase (amino acids 20-377) produced in E. coli with a His tag at the N-terminus, a 379-amino-acid protein of 41.8 kDa that is more than 95% pure. It is supplied as a solution (1 mg/mL in 20 mM Tris-HCl buffer (pH 8.0) and 10% glycerol) in 5 µg, 20 µg and 1 mg sizes for antibiotic resistance and reporter assay research.