Proceedings of the National Academy of Sciences of the United States of America, Vol. 74, No. 1 (Jan., 1977), pp. 106-110 (5 pages) We have derived the nucleotide sequence of a segment of the operator ...

Although the E. coli galactose operon is a staple of most biology textbooks, a new report in the July 1 issue of Genes & Development shows that our understanding of this common example of bacterial ...

Required for the transport and metabolism of lactose in Escherichia Coli (E. coli).The lactose operon or lac operon consists of three structural genes namely lacZ, lacY, and lacA that encode proteins ...