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  4. Nickel pincer model of the active site of lactate racemase involves ligand participation in hydride transfer
 
research article

Nickel pincer model of the active site of lactate racemase involves ligand participation in hydride transfer

Xu, Tao  
•
Wodrich, Matthew  
•
Scopelliti, Rosario  
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2017
Proceedings Of The National Academy Of Sciences Of The United States Of America (PNAS)

Pincer complexes are widely applied in homogeneous catalysis. However, only very recently has the first pincer complex been discovered in the active site of a metalloenzyme, namely, lactate racemase. Here, we report a synthetic model of the active site of lactate racemase. The nickel pincer model not only reproduces some key structural features of the active site, but also mediates the dehydrogenation of alcohols, a reaction relevant to lactate racemization. Our work suggests a mechanism in which the unique pyridinium-derived SCS pincer ligand actively participates in the hydride transfer. This work not only represents a successful biomimetic study of this enzyme but also lays the foundation for the development of new bioinspired pincer ligands.

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Type
research article
DOI
10.1073/pnas.1616038114
Web of Science ID

WOS:000393422200028

Author(s)
Xu, Tao  
Wodrich, Matthew  
Scopelliti, Rosario  
Corminboeuf, Clemence  
Hu, Xile  
Date Issued

2017

Publisher

Natl Acad Sciences

Published in
Proceedings Of The National Academy Of Sciences Of The United States Of America (PNAS)
Volume

114

Start page

1242

End page

1245

Subjects

biomimetic chemistry

•

lactate racemase

•

nickel

•

pincer ligands

•

hydride transfer

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCMD  
LSCI  
Available on Infoscience
February 3, 2017
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/134148
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