New answers tagged


A repressor inhibits transcription, thus one expects low transcription when the repressor is present. Thus, if a protein acts as a repressor when it binds arabinose, then when arabinose is present the protein will inhibit transcription. In the typical synthetic case of AraC and pBAD, AraC+arabinose does not act like a repressor, but an activator of pBAD. ...

Top 50 recent answers are included