An eleven amino acid residue deletion expands the substrate specificity of acetyl xylan esterase II (AXE II) from Penicillium purpurogenum. - Marcela Colombres; José Antonio Garate; Carlos F. Lagos; Raúl Araya-Secchi; Patricia Norambuena; Soledad Quiroz; Luis Larrondo; Tomás Pérez-Acle; Jaime Eyzaguirre (J. Comput. Aided Mol. Des., 2008)