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The organic chemistry of peptides
Author:
ISBN: 0471518999 9780471518990 Year: 1970 Publisher: London : John Wiley,

Cellular and molecular biology of hormone- and neurotransmitter- containing secretory vesicles
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ISBN: 0897663810 0897663829 9780897663816 9780897663823 Year: 1987 Volume: 493 Publisher: New York, NY : New York Academy of Sciences,

Protein biosynthesis in eukaryotes
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ISBN: 0306408937 1468441264 1468441248 9780306408939 Year: 1982 Volume: 41 Publisher: New York, NY ; London : Plenum Press,

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Abstract

Biotransformations
Author:
ISSN: 07246145 ISBN: 3540644962 9783540644965 3540697918 Year: 1999 Volume: 63 Publisher: Berlin : Springer-Verlag,

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Abstract

The use of enzymes – employed either as isolated enzymes, crude protein extracts or whole cells – for the transformation of non-natural organic c- pounds is not an invention of the twentieth century: they have been used for more than one hundred years. However,the object of most of the early research was totally different from that of the present day. Whereas the elucidation of biochemical pathways and enzyme mechanisms was the main driving force for the early studies,in contrast it was mainly during the 1980s that the enormous potential of applying natural catalysts to transform non-natural organic c- pounds was recognized. This trend was particularly well enhanced by the recommendation of the FDA-guidelines (1992) with respect to the use of chiral bioactive agents in enantiopure form. During the last two decades, it has been shown that the substrate tolerance of numerous biocatalysts is often much wider than previously believed. Of course,there are many enzymes which are very strictly bound to their natural substrate(s). They play an important role in metabolism and they are gener- ly not applicable for biotransformations. On the other hand, an impressive number of biocatalysts have been shown to possess a wide substrate tolerance by keeping their exquisite catalytic properties with respect to chemo-, reg- and, most important, enantio-selectivity. This made them into the key tools for biotransformations.

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