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On the Mechanism of Action of <Emphasis Type="Italic">lac</Emphasis> Repressor
Authors:BEATRICE CHEN  BENOIT DE CROMBRUGGHE  WAYNE B ANDERSON  MAX E GOTTESMAN  IRA PASTAN  ROBERT L PERLMAN
Institution:1.Laboratory of Molecular Biology,National Cancer Institute, National Institutes of Health,Bethesda;2.Clinical Endocrinology Branch,National Institute of Arthritis and Metabolic Diseases, National Institutes of Health,Bethesda
Abstract:Chen et al. have proved conclusively that lac repressor and RNA polymerase bind independently to wild type lac DNA in vitro. To explain the lacp s mutation, which causes competitive binding between repressor and polymerase, they suggest that a new promoter site has been created near the lac operator.
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