A vector for controlled, high-yield production of specifically mutated proteins in Escherichia coli: test of a putative cytidine-binding domain in Rho factor and its Thr16----Ala mutant.

Abstract excerpt

A derivative of the plasmid vector, pET-3a [Rosenberg et al., Gene 56 (1987) 125-135], is described that contains the origin of replication from bacteriophage f1. This plasmid is well-suited for oligodeoxyribonucleotide mutagenesis and controlled production of mutant proteins from a single vector. Its utility is demonstrated by the preparation of a mutational alteration of Thr16----Ala (T16A) of the Escherichia...

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