3B5L:
reference: De novo computational design of retro-aldol enzymes., Jiang L, Althoff EA, Clemente FR, Doyle L, Rothlisberger D, Zanghellini A, Gallaher JL, Betker JL, Tanaka F, Barbas CF 3rd, Hilvert D, Houk KN, Stoddard BL, Baker D, Science. 2008 Mar 7;319(5868):1387-91. PMID: 18323453

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