The pAS vector system and its application to heterologous gene expression in escherichia coli
Allan R. Shatzman, Martin Rosenberg – 1 January 1987 – There are numerous proteins of biological interest which cannot be obtained from natural sources in quantities sufficient for detailed biochemical and physical analysis. The limited bioavailability of these molecules has made it impossible to consider their potential utilization as either pharmacological agents and/or targets. One solution to this problem has been the development of recombinant vector systems which are designed to achieve efficient expression of cloned genes in a variety of biological systems.