| abstract |
Variant of a mother a-amylase, which has at least 80% identity with the amino acid sequence SEQ ID NO. 1, wherein the variant comprises an amino acid deletion equivalent to R179 and G180 of the amino acid sequence shown in SEQ ID N ° 3, said variant having alpha-amylase activity and exhibiting at least one of the following properties with respect to said mother alpha-amylase: increased thermostability; increased oxidation stability; and reduced Ca2 + dependence. |