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![Yi Lu - Evan Mirts headshot](/sites/default/files/styles/large/public/2018-09/Yi%20Lu%20-%20Evan%20Mirts.jpg?itok=V5yGfWoO)
Chemistry professor Yi Lu, left, and graduate student Evan Mirts have designed a new synthetic enzyme that reduces the compound sulfite to sulfide – a notoriously complex multistep chemical reaction that has eluded chemists for years.