The molecular perspective: cadherin.
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Biomedical subjects
Publications and source records attributed to David S Goodsell.
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A hierarchical model of HIV-1 drug therapy may be used to evaluate new inhibitors and test new treatment strategies that address the problem of drug resistance. The model includes an atomic representation of drug-protease interaction, evaluation of viral fitness based on cleavage of polyprotein substrates during viral maturation, evolutionary modelling of drug resistance mutations in the face of selection pressures by drug and a mathematical description of viral population dynamics in infected individuals. These techniques have been used for the design of resistance-evading inhibitors by computational coevolution techniques and for the optimisation of existing protease inhibitors for improving their robustness in the face of resistance mutation.
DNA bases are normally sheltered within a double helix, but enzymes that modify and repair DNA gain access by flipping individual bases out of the double helix.
Proteins that mimic DNA present a surface that is similar in shape and chemical character to the DNA double helix. These DNA mimics bind to DNA-binding proteins, taking the place of DNA. Natural DNA mimics play roles in genetic regulation and defense.
As part of our first line of defense against invading organisms, Toll-like receptors recognize bacterial and viral molecules, and launch an inflammatory response.
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