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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1988-10-25
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pubmed:databankReference | |
pubmed:abstractText |
Plasmid expression vectors have been constructed that direct the synthesis of foreign polypeptides in Escherichia coli as fusions with the C terminus of Sj26, a 26-kDa glutathione S-transferase (GST; EC 2.5.1.18) encoded by the parasitic helminth Schistosoma japonicum. In the majority of cases, fusion proteins are soluble in aqueous solutions and can be purified from crude bacterial lysates under non-denaturing conditions by affinity chromatography on immobilised glutathione. Using batch wash procedures several fusion proteins can be purified in parallel in under 2 h with yields of up to 15 micrograms protein/ml of culture. The vectors have been engineered so that the GST carrier can be cleaved from fusion proteins by digestion with site-specific proteases such as thrombin or blood coagulation factor Xa, following which, the carrier and any uncleaved fusion protein can be removed by absorption on glutathione-agarose. This system has been used successfully for the expression and purification of more than 30 different eukaryotic polypeptides.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0378-1119
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
67
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
31-40
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3047011-Amino Acid Sequence,
pubmed-meshheading:3047011-Animals,
pubmed-meshheading:3047011-Base Sequence,
pubmed-meshheading:3047011-Cloning, Molecular,
pubmed-meshheading:3047011-Escherichia coli,
pubmed-meshheading:3047011-Genes,
pubmed-meshheading:3047011-Genetic Vectors,
pubmed-meshheading:3047011-Glutathione Transferase,
pubmed-meshheading:3047011-Molecular Sequence Data,
pubmed-meshheading:3047011-Plasmids,
pubmed-meshheading:3047011-Recombinant Fusion Proteins,
pubmed-meshheading:3047011-Recombinant Proteins,
pubmed-meshheading:3047011-Schistosoma japonicum
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pubmed:year |
1988
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pubmed:articleTitle |
Single-step purification of polypeptides expressed in Escherichia coli as fusions with glutathione S-transferase.
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pubmed:affiliation |
Walter and Eliza Hall Institute of Medical Research, Royal Melbourne Hospital, Victoria, Australia.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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