Players design inhibitors or modulators for folded proteins -- no protein folding required! Create new small molecules by modifying individual atoms, adding and deleting fragments, and using reaction-based design for tractable lab testing. The number of possibilities is estimated at 10^60!


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Recent small molecule design puzzles

Puzzle Status
2748: SF-1 Round 6 Open for the next about 14 hours
2745: LRH-1 Round 6 Closed since 3 days ago
2742: SF-1 Round 5 Closed since 13 days ago
2739: LRH-1 Round 5 Closed since 20 days ago
2736: SF-1 Round 4 Closed since 27 days ago