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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Expression of the cDNA for NAD(+)-dependent 15-hydroxyprostaglandin dehydrogenase as a catalytically active enzyme in Escherichia coli.

NAD(+)-dependent 15-hydroxyprostaglandin dehydrogenase (15-PGDH) is a key enzyme involved in the catabolism of the prostaglandins. The cDNA for human placental 15-PGDH has been expressed in Escherichia coli as a catalytically active protein. The polymerase chain reaction was used to introduce restriction endonuclease sites at each end of the 15-PGDH coding sequence. The 15-PGDH DNA was then inserted into the bacterial expression plasmids pUC-18 and pUC-19 which contain the isopropyl-l-thio-beta-D-galactopyranoside (IPTG) inducible lacZ promoter. Extracts from E. coli containing these expression plasmids exhibited 15-PGDH activity which was inducible with (IPTG). Crude extracts from E. coli expressing 15-PGDH activity were found to contain proteins of the predicted sizes in stained SDS-polyacrylamide gels and in Western blots using human placental 15-PGDH antiserum. The specific activity in E. coli extracts was several hundred-fold higher than that seen in extracts from human placenta.[1]

References

  1. Expression of the cDNA for NAD(+)-dependent 15-hydroxyprostaglandin dehydrogenase as a catalytically active enzyme in Escherichia coli. Ensor, C.M., Tai, H.H. Prostaglandins Leukot. Essent. Fatty Acids (1992) [Pubmed]
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