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Using proteins in their natural environment: potential and limitations of microbial whole-cell hydroxylations in
W A Duetz1, J B van Beilen, B Witholt
1Institute of Biotechnology, ETH Hönggerberg, HPT, CH 8093, Zürich, Switzerland. duetz@biotech.biol.ethz.ch
Current Opinion in Biotechnology
|September 12, 2001
Abstract:
The unique catalytic properties of oxygenases (the regio-specific and/or enantio-specific hydroxylation of non-activated carbons) are of undisputed biosynthetic value. Factors that govern the economics of their industrial use include a low k(cat), a frequently decreased k(cat) in recombinant strains, limiting oxygen transfer rates in bioreactors, product inhibition, and the demanding discovery (screening) process.