4FN4:
reference: Biochemical and structural characterization of recombinant short-chain NAD(H)-dependent dehydrogenase/reductase from Sulfolobus acidocaldarius highly enantioselective on diaryl diketone benzil., Pennacchio A, Sannino V, Sorrentino G, Rossi M, Raia CA, Esposito L, Appl Microbiol Biotechnol. 2012 Jul 18. PMID: 22805786

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