Ward, Thomas R.. (2005) Artificial Metalloenzymes for Enantioselective Catalysis Based on the Noncovalent Incorporation of Organometallic Moieties in a Host Protein. Chemistry - A European Journal, 11 (13). pp. 3798-3804.
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Official URL: http://edoc.unibas.ch/dok/A5254497
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Abstract
Enzymatic and homogeneous catalysis offer complementary means to produce enantiopure products. Incorporation of achiral, biotinylated aminodiphosphine–rhodium complexes in (strept)avidin affords enantioselective hydrogenation catalysts. A combined chemogenetic procedure allows the optimization of the activity and the selectivity of such artificial metalloenzymes: the reduction of acetamidoacrylate proceeds to produce N-acetamidoalanine in either 96 % ee (R) or 80 % ee (S). In addition to providing a chiral second coordination sphere and, thus, selectivity to the catalyst, the phenomenon of protein-accelerated catalysis (e.g., increased activity) was unraveled. Such artificial metalloenzymes based on the biotin–avidin technology display features that are reminiscent of both homogeneous and of enzymatic catalysis.
Faculties and Departments: | 05 Faculty of Science > Departement Chemie > Chemie > Bioanorganische Chemie (Ward) |
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UniBasel Contributors: | Ward, Thomas R. R. |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Wiley |
ISSN: | 0947-6539 |
e-ISSN: | 1521-3765 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: | |
Last Modified: | 24 Apr 2017 13:52 |
Deposited On: | 22 Mar 2012 14:07 |
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