Highlights • K155M stabilizes V1V2 β-strand conformation relevant to broad antibody recognition.• β-strand stabilized V1V2 immunogens elicit antibody responses with greater cross-reactivity.• Fine-tuning immunogen conformation modulates immunogenicity. Click to show full abstract
Highlights • K155M stabilizes V1V2 β-strand conformation relevant to broad antibody recognition.• β-strand stabilized V1V2 immunogens elicit antibody responses with greater cross-reactivity.• Fine-tuning immunogen conformation modulates immunogenicity.
               
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