Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase
Reexamination Certificate
2004-04-30
2008-01-22
Nashed, Nashaat T (Department: 1656)
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Hydrolase
C435S069100, C435S252300, C435S320100, C510S300000
Reexamination Certificate
active
07320887
ABSTRACT:
The invention relates to novel alkaline protease variants. These variants have, when enumerating the alkaline protease fromBacillus lentus, variations in amino acid position 61, positions 199 and/or 211 and, optionally, at least one modification that contributes to the stabilization of the molecule, said modification preferably being point mutations in positions 3 and/or 4. Particularly preferred are variants S3T/V41/G61A/V199] and S3T/V41/G61A/V1991/L211D ofB. lentusalkaline protease. The invention also relates to the possible use of these enzymes in diverse technical processes and, in particular, to detergents and cleansers containing these novel alkaline protease variants.
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Breves Roland
Kottwitz Beatrix
Maurer Karl-Heinz
Henkel Kommanditgesellschaft auf Aktien
Moore William W.
Nashed Nashaat T
Woodcock & Washburn LLP
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