Article
An atomic model of HIV-1 capsid-SP1 reveals structures regulating assembly and maturation.
Science (New York, N.Y.) - 29 Jul 2016
Schur Florian K M, Obr Martin, Hagen Wim J H, Wan William, Jakobi Arjen J, Kirkpatrick Joanna M, Sachse Carsten, Kräusslich Hans-Georg, Briggs John A G
Abstract excerpt
Immature HIV-1 assembles at and buds from the plasma membrane before proteolytic cleavage of the viral Gag polyprotein induces structural maturation. Maturation can be blocked by maturation inhibitors (MIs), thereby abolishing infectivity. The CA (capsid) and SP1 (spacer peptide 1) region of Gag is the key regulator of assembly and maturation and is the target of MIs. We applied optimized cryo-electron tomography...
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