Process for the production of novel pullulanase

摘要

The invention relates to a heat-stable pullulanase having the property of hydrolysing glucosidic bonds of the alpha -1,6 type in amylopectin and having an enzymatic activity in an acid medium and at a temperature of about 60 DEG C. The invention also relates to strains of micro-organisms which produce this pullulanase and processes for the preparation of this pullulanase. The invention also relates to the uses thereof and compositions comprising the product. The invention also relates to a DNA molecule. The invention relates to an expression vector containing this DNA molecule and to a chromosomal integration vector containing this DNA molecule.