Matches in SemOpenAlex for { <https://semopenalex.org/work/W2515736269> ?p ?o ?g. }
- W2515736269 abstract "Recombinant protein purification remains to be a major challenge in biotechnology and medicine. In this paper we report a simple method for recombinant protein purification using self-assembling peptide-tagged tobacco etch virus protease (TEVp). After construction of an N-terminal ELK16 peptide fusion expression vector, we expressed ELK16-TEVp fusion protein in E. coli. SDS-PAGE analysis showed that ELK16-TEVp was expressed as active protein aggregates which could be purified to 91% purity with 92% recovery by centrifugation in the presence 0.5% Triton X-100. By using His-tagged bovine interferon-γ (His-BoIFN-γ) as the substrate, we demonstrated that EKL16-TEVp had a protease activity of 1.3 × 10(4) units/mg protein with almost 100% cleavage efficiency under the optimized conditions. More importantly, EKL16-TEVp could be removed from the cleavage reaction by single-step centrifugation. After removing the His-tag by nickel-conjugated agarose bead absorption, the recombinant BoIFN-γ (rBoIFN-γ) was purified to 98.3% purity with 63% recovery. The rBoIFN-γ had an antiviral activity of 1.6 × 10(3) units/mg protein against vesicular stomatitis virus. These data suggest that ELK16-TEVp may become a universal tool for recombinant protein purification." @default.
- W2515736269 created "2016-09-16" @default.
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- W2515736269 date "2016-12-01" @default.
- W2515736269 modified "2023-10-14" @default.
- W2515736269 title "A simple method for recombinant protein purification using self-assembling peptide-tagged tobacco etch virus protease" @default.
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- W2515736269 doi "https://doi.org/10.1016/j.pep.2016.08.013" @default.
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