A variant of a parent alpha -amylase enzyme having an improved washing and/or dishwashing performance as compared to the parent enzyme, wherein one or more amino acid residues of the parent enzyme have been replaced by a different amino acid residue and/or wherein one or more amino acid residues of the parent alpha -amylase have been deleted and/or wherein one or more amino acid residues have been added to the parent alpha -amylase enzyme, provided that the variant is different from one in which the methionine residue in position 197 of a parent B. licheniformis alpha -amylase has been replaced by alanine or threonine, as the only modification being made. The variant may be used for washing and dishwashing.
申请公布号
WO9510603(A1)
申请公布日期
1995.04.20
申请号
WO1994DK00370
申请日期
1994.10.05
申请人
NOVO NORDISK A/S;BISGAARD-FRANTZEN, HENRIK;BORCHERT, TORBEN, VEDEL;SVENDSEN, ALLAN;THELLERSEN, MARIANNE;VAN DER ZEE, PIA
发明人
BISGAARD-FRANTZEN, HENRIK;BORCHERT, TORBEN, VEDEL;SVENDSEN, ALLAN;THELLERSEN, MARIANNE;VAN DER ZEE, PIA