Alpha-amylase mutants

The invention relates to a variant of a parent Termamyl-like ±-amylase, which exhibits an alteration in at least one of the following properties relative to said parent ±-amylase: i) improved pH stability at a pH from 8 to 10.5; and/or ii) improved Ca 2+ stability at pH 8 to 10.5, and/or iii) increa...

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Bibliographische Detailangaben
Hauptverfasser:	BORCHERT, TORBEN VEDEL, SVENDSEN, ALLAN, ANDERSEN, CARSTEN, KJAERULFF, SOEREN, NIELSEN, BJARNE ROENFELDT, NISSEN, TORBEN LAUESGAARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES BEER BIOCHEMISTRY CANDLES CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DETERGENT COMPOSITIONS DETERGENTS ENZYMOLOGY FATTY ACIDS THEREFROM METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PEPTIDES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING SPIRITS USE OF SINGLE SUBSTANCES AS DETERGENTS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a variant of a parent Termamyl-like ±-amylase, which exhibits an alteration in at least one of the following properties relative to said parent ±-amylase: i) improved pH stability at a pH from 8 to 10.5; and/or ii) improved Ca 2+ stability at pH 8 to 10.5, and/or iii) increased specific activity at temperatures from 10 to 60°C.