3I1C:
reference: Computational design of an enzyme catalyst for a stereoselective bimolecular Diels-Alder reaction., Siegel JB, Zanghellini A, Lovick HM, Kiss G, Lambert AR, St Clair JL, Gallaher JL, Hilvert D, Gelb MH, Stoddard BL, Houk KN, Michael FE, Baker D, Science. 2010 Jul 16;329(5989):309-13. PMID: 20647463

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