<prompt> The diphtheria toxin has an affinity for all the following tissues EXCEPTMyocardiumBrainAdrenalsLiver  <response>: The diphtheria toxin is the sole virulence factor of C. diphtheriae. Responsible for both local effects and systemic complications. It is encoded by a lysogenic beta-prophage. It inhibits mammalian protein synthesis ribosomal function ADP ribosylation of EF-2 It has a special affinity for myocardium, adrenals and nerve endings 