Add time:07/22/2019         Source:sciencedirect.com

Over the past 10 years, several anti-viral drugs have become available to fight the HIV infection. Antiretroviral treatment reduces the mortality of AIDS. Nonnucleoside inhibitors of HIV-1 reverse transcriptase are specific and potentially nontoxic drugs against AIDS. The crystal structures of five nonnucleoside inhibitors of HIV-1 reverse transcriptase are presented here. The structural parameters, especially those describing the angular orientation of the π-electron systems and influencing biological activity, were determined for all of the investigated inhibitors. The chemical character and orientation of the substituent at C4 position of the benzimidazole moiety substantially influences the anti-viral activity. The structural data of the investigated inhibitors is a good basis for modeling enzyme–inhibitor interactions for structure-assisted drug design.

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