A Modular Set of Prokaryotic and Eukaryotic Expression Vectors

A modular series of versatile expression vectors is described for improved affinity purification of recombinant fusion proteins. Special features of these vectors include (i) serial affinity tags (hexahistidine–GST) to yield extremely pure protein even with very low expression rates, (ii) highly eff...

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Veröffentlicht in:Analytical biochemistry 2000-01, Vol.277 (1), p.109-120
1. Verfasser: Melcher, Karsten
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description A modular series of versatile expression vectors is described for improved affinity purification of recombinant fusion proteins. Special features of these vectors include (i) serial affinity tags (hexahistidine–GST) to yield extremely pure protein even with very low expression rates, (ii) highly efficient proteolytic cleavage of affinity tags under a variety of conditions by hexahistidine-tagged tobacco etch virus (TEV) protease, (iii) PCR cloning design that results in a product of proteolytic cleavage with only one (a single glycine) or two (gly-ala) amino acids at the N-terminus of the protein, and (iv) expression in either Escherichia coli or Saccharomyces cerevisiae. In addition, singly hexahistidine-tagged proteins can be produced for purification under denaturing conditions and some vectors allow addition of five amino acid kinase recognition sites for easy radiolabeling of proteins. To illustrate the use of these vectors, all regulatory components of the yeast GAL regulon, rather than abundant highly soluble proteins, were produced and purified under native or denaturing conditions, and their biological activity was confirmed.
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purification</topic><topic>Restriction Mapping</topic><topic>Saccharomyces cerevisiae - genetics</topic><topic>Saccharomyces cerevisiae Proteins</topic><topic>T7 promoter</topic><topic>TEV protease</topic><topic>Transcription Factors - biosynthesis</topic><topic>Transcription Factors - chemistry</topic><topic>Transcription Factors - genetics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Melcher, Karsten</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><jtitle>Analytical biochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Melcher, Karsten</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Modular Set of Prokaryotic and Eukaryotic Expression Vectors</atitle><jtitle>Analytical biochemistry</jtitle><addtitle>Anal Biochem</addtitle><date>2000-01-01</date><risdate>2000</risdate><volume>277</volume><issue>1</issue><spage>109</spage><epage>120</epage><pages>109-120</pages><issn>0003-2697</issn><eissn>1096-0309</eissn><abstract>A modular series of versatile expression vectors is described for improved affinity purification of recombinant fusion proteins. 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subjects ADH1 promoter
Amino Acid Sequence
Base Sequence
Cloning, Molecular - methods
DNA Primers
DNA-Binding Proteins
Electrophoresis, Polyacrylamide Gel - methods
Escherichia coli - genetics
Fungal Proteins - biosynthesis
Fungal Proteins - chemistry
Fungal Proteins - genetics
GAL genes
GAL1 promoter
Genetic Vectors
Glutathione Transferase - biosynthesis
Glutathione Transferase - chemistry
Glutathione Transferase - genetics
GST
hexahistidine
Molecular Sequence Data
Mutagenesis, Site-Directed
Open Reading Frames
Plasmids
Recombinant Fusion Proteins - biosynthesis
Recombinant Fusion Proteins - chemistry
Recombinant Fusion Proteins - isolation & purification
Restriction Mapping
Saccharomyces cerevisiae - genetics
Saccharomyces cerevisiae Proteins
T7 promoter
TEV protease
Transcription Factors - biosynthesis
Transcription Factors - chemistry
Transcription Factors - genetics
title A Modular Set of Prokaryotic and Eukaryotic Expression Vectors
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