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 ...

The gene lacI, which encodes the lac repressor, LacI, sits outside the operon and is constitutively expressed. A cyclic adenosine monophosphate (cAMP) receptor protein (CRP) binding site (C) sits in ...

It provides a way to leap off and say, 'how can we use this information to develop new, modern switches that can be used in eukaryotic systems and mammalian systems.' “Prior to that work, the working ...