![](https://www2.mrc-lmb.cam.ac.uk/wordpress/wp-content/uploads/Immature-and-mature-HIV-1-particles-and-MA-structures_sq-150x150.jpg)
John Briggs’ group has provided the first description of HIV-1 matrix protein structures determined within both immature and mature authentic virus particles, showing how they rearrange on maturation of the virus ahead of infection of another cell.
MRC Laboratory of Molecular Biology
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