C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/56 (2006.01) C11D 3/386 (2006.01) C12N 9/26 (2006.01) C12N 9/28 (2006.01) C12S 3/12 (2006.01)
Patent
CA 2253589
Novel .alpha.-amylase enzymes are disclosed in which a new calcium binding site is modified by chemically or genetically altering residues associated with that calcium binding site. The novel .alpha.-amylases have altered performance characteristics, such as low pH starch hydrolysis performance, stability and activity profiles.
Nouvelles .alpha.-amylases dans lesquelles un nouveau site de fixation du calcium est modifié par altération chimique ou génétique de résidus associés à ce site de fixation du calcium. Ces nouvelles .alpha.-amylases présentent des caractéristiques modifiées, par exemple une capacité d'hydrolyse de l'amidon à un pH bas, ainsi qu'en matière de stabilité et d'activité.
Bott Richard R.
Shaw Andrew
Genencor International Inc.
Smart & Biggar
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