نتایج جستجو برای: de3 bl21
تعداد نتایج: 2244 فیلتر نتایج به سال:
Recombinant His-tagged proteins expressed in Escherichia coli and purified by immobilized metal affinity chromatography (IMAC) are commonly coeluted with native E. coli proteins, especially if the recombinant protein is expressed at a low level. The E. coli contaminants display high affinity to divalent nickel or cobalt ions, mainly due to the presence of clustered histidine residues or biologi...
Background: Fusion of the last two enzymes in pyrimidine biosynthetic pathway inverse order by having COOH-terminal orotate phosphoribosyltransferase (OPRT) and NH 2 -terminal orotidine 5′-monophosphate decarboxylase (OMPDC), as OPRT-OMPDC, has been described many organisms. Objective: The study aimed to select optimum host cell temperature for expressing recombinant fusion OMPDC-OPRT enzymatic...
BACKGROUND Disulfide-rich proteins or DRPs are versatile bioactive compounds that encompass a wide variety of pharmacological, therapeutic, and/or biotechnological applications. Still, the production of DRPs in sufficient quantities is a major bottleneck for their complete structural or functional characterization. Recombinant expression of such small proteins containing multiple disulfide bond...
BACKGROUND The expression of heterologous proteins in Escherichia coli is strongly affected by codon bias. This phenomenon occurs when the codon usage of the mRNA coding for the foreign protein differs from that of the bacterium. The ribosome pauses upon encountering a rare codon and may detach from the mRNA, thereby the yield of protein expression is reduced. Several bacterial strains have bee...
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