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Rationalisation of ...
Rationalisation of the substrate concentration dependent diastereoselectivity of a Saccharomyces cerevisiae short-chain dehydrogenase
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- Carlquist, Magnus (författare)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Johanson, Ted (författare)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Gorwa-Grauslund, Marie-Francoise (författare)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Elsevier BV, 2007
- 2007
- Engelska.
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Ingår i: Tetrahedron: Asymmetry. - : Elsevier BV. - 0957-4166. ; 18:21, s. 2554-2556
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The diastereoselectivity of the carbonyl reduction of bicyclo[2.2.2]octane-2,6-dione, catalysed by the purified yeast cytosolic short-chain dehydrogenase Ymr226cp, was shown to be substrate concentration dependent. The changing selectivity was attributed to two distinct binding configurations of the substrate in the active site, each yielding a distinct hydroxy ketone diastereomer. By applying individual KM and Vmax values for each binding configuration, the concentration dependence could be modelled with Michaelis–Menten kinetics and the apparent KM and Vmax values for the generation of each diastereomer determined. This is to the best of our knowledge the first rationalisation of a substrate dependent stereoselectivity for a pro-chiral substrate with an isolated enzyme.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
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