A xylanase from Aureobasidium pullulans having a high specific activity is provided as well as a signal protein for controlling excretion into cell culture medium of proteins to which it is attached. DNA encoding these proteins is also provided.
This invention was made, at least in part, with funding from the U.S. Department of Energy (Grant Nos. DE-FG09-86ER13614 and DE-FG05-93ER20127). The United States Government may have certain rights in this invention.