Visualizing the Enemy

HIV X-ray crystallography researchers hope that they can harness the proper weaponry to fight HIV by actually seeing how their enemy infects cells. This paper revealed a critical stage of HIV infection: the viral surface glycoprotein gp120 binding the CD4 receptor on a vulnerable T cell. By discovering aspects of the mechanism by which the viral and cell membranes fuse, crystallographers hoped to get clues for potential drug and vaccine targets. Structure-based drug design has already been helpf

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HIV X-ray crystallography researchers hope that they can harness the proper weaponry to fight HIV by actually seeing how their enemy infects cells. This paper revealed a critical stage of HIV infection: the viral surface glycoprotein gp120 binding the CD4 receptor on a vulnerable T cell. By discovering aspects of the mechanism by which the viral and cell membranes fuse, crystallographers hoped to get clues for potential drug and vaccine targets. Structure-based drug design has already been helpful in the development of HIV protease inhibitors, crucial AIDS drugs introduced in the mid-1990s. According to senior author Wayne Hendrickson, a Howard Hughes Medical Institute investigator and a professor of biochemistry and molecular biophysics at Columbia University, although the structure determined by his team has not yet led to drug or vaccine development, follow-up work continues to look promising.

Spearheaded by Columbia associate research scientist and lead author Peter Kwong, the Columbia ...

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