We've got a new strategy for you to try in the fight against influenza! But this one sure won't be easy.

NEWS
- Background on influenza hemagglutinin

PUZZLE UPDATES
- Influenza HA binder design
- Designable linker puzzles
- New electron density puzzles

DESIGN OF THE MONTH
- A two-sided interface design, by Galaxie, with excellent packing and a hydrophobic interface for tight binding. See for yourself in the new Design of the Month sandbox puzzle.