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Updated: Jul 5, 2026

Assessment of Immunologically Relevant Dynamic Tertiary Structural Features of the HIV-1 V3 Loop Crown R2 Sequence by ab initio Folding
Published on: September 15, 2010
Rare and new V3 loop variants in HIV-1-positive long-term non-progressors from Rwanda
François Roman1, Etienne Karita, Alexia Monnet
1Retrovirology Laboratory, CRP-Santé, Luxembourg.
Abstract:
We identified uncommon amino acid substitutions in the V3 loop regions of HIV-1 strains infecting patients from Rwanda. Their frequency was greater in long-term non-progressors (LTNP) compared with late-stage patients (P = 0.006), particularly in a sequence region that has crucial interactions with the cell surface, and is highly relevant for the host's immune response. These variants might reflect a viral response to a strong immune pressure, or represent attenuated HIV-1 strains infecting LTNP in Rwanda.
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