Met repressor operator complex

... control): in the presence of glucose, a repressor protein is released, it is able to bind ... to a protein called CRP to form (cAMP,CRP) complex that would bind to the operator domain of Lac o preventing the binding of Lac O ...

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... an inactive CAP binding site, CAP-cAMP complex won't be able to bind to the site, therefore ... at the second strand which is i-, but enough repressor will be made by i+ on the other strand ... the repressor tetramer can't bind to the operator region so this strand is expressed constitutively; ...

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