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Custom Vector Construction> | … The gene encoding TS-ABN (GenBank AB0612691) from B thermodenitrificans TS-3 and a C-terminal 6×His tag was synthesized (GenScript, Piscataway, NJ) and cloned into the pET28b(+) bacterial expression vector at the NcoI and XhoI sites to generate pET28b-TS-ABN (Fig … | Get A Quote |
Sugar beet pulp is an agricultural processing residue that is a rich source of the cell wall polysaccharide arabinan. Functional oligosaccharides, specifically feruloylated arabino-oligosaccharides (FAOs), can be isolated from sugar beet pulp through selective action by endo-arabinanase (glycoside hydrolase family 43). This study aimed to develop yeast (Pichia pastoris) as an efficient, eukaryotic platform to produce a thermophilic endo-1,5-α-L-arabinanase (TS-ABN) for extracting FAOs from sugar beet pulp. Recombinant TS-ABN was secreted into yeast culture medium at a yield of ~ 80 mg/L, and the protein exhibited specific enzyme activity, pH and temperature optimum, and thermostability comparable to those of t... More