A Fungal Ascorbate Oxidase with Unexpected Laccase Activity oleh Verena Braunschmid, Sarah Fuerst, Veronika Perz, Sabine Zitzenbacher, Javier Hoyo, Cesar Fernandez-Sanchez, Tzanko Tzanov, Georg Steinkellner, Karl Gruber, Gibson S. Nyanhongo, Doris Ribitsch, Georg M. Guebitz