Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Enzymatic production of a protein or polypeptide
Patent
1989-05-04
1991-10-08
Robinson, Douglas W.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Enzymatic production of a protein or polypeptide
560 40, C12P 2100, C07C22900
Patent
active
050553992
ABSTRACT:
Enzyme-catalyzed synthetic reactions having otherwise unfavorable equilibria are facilitated by recovery of polypeptides by electrodialysis. A process of preparing polypeptides is provided that can be operated continuously to produce high yields of enriched polypeptides without recourse to post-synthetic product manipulations heretofore employed that are expensive and present a risk of residual toxic by-products. The invention is applied to advantage in the preparation of alpha-L-aspartyl-L-phenylalanine lower alkyl esters.
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Hsu Chung C.
Snedecor Bradley R.
Genentech Inc.
Hasak Janet E.
Meller Michael
Robinson Douglas W.
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