Endo-1,4-β-mannanase is an enzyme that can catalyze the random hydrolysis of β-1, 4-mannosidic linkages in the main chain of mannans, glucomannans and galactomannans and has a number of applications in different biotechnology industries. | A new acidophilic thermostable endo-1,4-βmannanase from Penicillium oxalicum GZ-2: Cloning, characterization and functional expression in Pichia pastoris