An enzymatic Alder-ene reaction.
An enzymatic Alder-ene reaction.
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DOI:
10.1038/s41586-020-2743-5
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发表时间:
2020-10
期刊:
影响因子:
64.8
通讯作者:
Tang Y
中科院分区:
文献类型:
--
作者:
Ohashi M;Jamieson CS;Cai Y;Tan D;Kanayama D;Tang MC;Anthony SM;Chari JV;Barber JS;Picazo E;Kakule TB;Cao S;Garg NK;Zhou J;Houk KN;Tang Y
An ongoing challenge in chemical research is to design catalysts that select the outcomes of the reactions of complex molecules. Chemists rely on organo- or transition metal catalysts to control stereo-, regio-, and periselectivity (selectivity among possible pericyclic reactions). Nature achieves these types of selectivity with a variety of enzymes such as the recently discovered pericyclases – a family of enzymes that catalyze pericyclic reactions. To date, the majority of characterized enzymatic pericyclic reactions are cycloadditions and it has been difficult to rationalize how observed selectivities are achieved. We report here the discovery of two homologous groups of pericyclases that catalyze distinct reactions: one group catalyzes an Alder-ene reaction, previously unknown in biology; the second catalyzes a stereoselective hetero-Diels–Alder reaction. Guided by computational studies, we rationalized the observed differences in reactivities and designed mutants that reverse periselectivities from Alder-ene to hetero-Diels–Alder and vice versa. A combination of in vitro biochemical characterizations, computational studies, enzyme co-crystal structures, and mutational studies provide a picture of how high regio- and periselectivities are achieved in nearly identical active sites.
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影响因子:
21.8
作者:
Dan, Qingyun;Newmister, Sean A.;Williams, Robert M.
通讯作者:
Williams, Robert M.
DOI:
10.1107/s0907444909052925
发表时间:
2010-02
期刊:
Acta crystallographica. Section D, Biological crystallography
影响因子:
--
作者:
Adams PD;Afonine PV;Bunkóczi G;Chen VB;Davis IW;Echols N;Headd JJ;Hung LW;Kapral GJ;Grosse-Kunstleve RW;McCoy AJ;Moriarty NW;Oeffner R;Read RJ;Richardson DC;Richardson JS;Terwilliger TC;Zwart PH
通讯作者:
Zwart PH
影响因子:
14.9
作者:
Davis IW;Leaver-Fay A;Chen VB;Block JN;Kapral GJ;Wang X;Murray LW;Arendall WB 3rd;Snoeyink J;Richardson JS;Richardson DC
通讯作者:
Richardson DC
影响因子:
15
作者:
Gustin, DJ;Mattei, P;Hilvert, D
通讯作者:
Hilvert, D
影响因子:
4.4
作者:
FRANCL, MM;PIETRO, WJ;POPLE, JA
通讯作者:
POPLE, JA