PMID:1339364

Citation	Haun, RS and Moss, J (1992) Ligation-independent cloning of glutathione S-transferase fusion genes for expression in Escherichia coli. Gene 112:37-43
Abstract	A plasmid vector has been constructed that allows the ligation-independent cloning of cDNAs in any reading frame and directs their synthesis in Escherichia coli as glutathione S-transferase-linked fusion proteins. The cloning procedure does not require restriction enzyme digestion of the target sequence and does not introduce any additional sequences between the thrombin cleavage site and the foreign protein. Extended single-stranded tails complementary between the vector and insert, generated by the (3'----5') exonuclease activity of T4 DNA polymerase, obviate the need for in vitro ligation prior to bacterial transformation. This cloning procedure is rapid and highly efficient, and has been used successfully to construct a series of fusion proteins to investigate the sequence requirements for efficient thrombin cleavage.
Links	PubMed
Keywords	ADP-Ribosylation Factors; Amino Acid Sequence; Base Sequence; Cloning, Molecular/methods; Escherichia coli/genetics; GTP-Binding Proteins/genetics; Gene Expression/genetics; Genetic Vectors/genetics; Glutathione Transferase/genetics; Molecular Sequence Data; Plasmids/genetics; Polymerase Chain Reaction; Recombinant Fusion Proteins/genetics; Recombinant Fusion Proteins/metabolism; Thrombin/metabolism
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