C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/56 (2006.01) C07K 14/39 (2006.01) C12N 9/44 (2006.01) C12N 15/67 (2006.01) C12N 15/81 (2006.01)
Patent
CA 2173453
A method is disclosed for the expression of an active pullulanase enzyme in a microorganism host. In one aspect, a DNA construct contains a sequence encoding the pullulanase enzyme, except for the nucleotides necessary to encode the first two amino acids in mature pullulanase and regulating allowing expression of the coding sequence in a microorganism host. An advantageous DNA construct contains regulatory sequences permitting expression of the pullulanase in a yeast cell.
L'invention a pour objet un procédé permettant l'expression d'une enzyme pullulanase active dans un micro-organisme hôte. Selon un aspect de l'invention, un produit de recombinaison d'ADN contient une séquence codant l'enzyme pullulanase, à l'exception des nucléotides nécessaires pour coder les deux premiers acides aminés dans la pullulanase mature, et les séquences de régulation permettant l'expression de la séquence de codage dans un micro-organisme hôte. Un produit de recombinaison d'ADN avantageux contient des séquences de régulation permettant l'expression de la pullulanase dans une cellule de levure.
Goudreau Gage Dubuc
Miller Brewing Company
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