Aim 1 · United States · 2021 to 2025
A population-scale phenotype atlas of H5N1 clade 2.3.4.4b
What functional capacity was already present before and during emergence in cattle?
This project integrates approximately 13,000 U.S. hemagglutinin sequences and 2,195 unique HA variants with a time-resolved phylogeny, AlphaFold 3 structures, receptor-binding-site geometry, physicochemical traits, Rosetta and FoldX energetics, molecular dynamics simulations, and glycan-binding interpretation. It tests how standing phenotypic breadth, lineage sorting, and distributed structural change shape cross-host potential.
- Sequence
- Structure
- Function
- AlphaFold 3
- Rosetta
- Molecular dynamics
- Nextstrain