HIV-1 reverse transcriptase and drug delivery, illustration. The human immunodeficiency virus (HIV) single-stranded RNA genome is converted into doubl
HIV-1 reverse transcriptase and drug delivery, illustration. The human immunodeficiency virus (HIV) single-stranded RNA genome is converted into double-stranded DNA by the viral reverse transcriptase (blue and white ribbons) and then the DNA is integrated in the DNA of an infected human cell. The reverse transcriptase is one of the main targets to disrupt the virus multiplication through an inhibitor. Here, the enzyme is from a mutated (resistant) form of HIV known as Q151M. The enzyme is shown bound to a DNA aptamer (helical molecule at centre), which is part of a drug delivery mechanism. The drug present here (partially seen at lower right) is Entecavir, used to treat hepatitis B (HBV) in patients with HIV.
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Photo credit: © RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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