Glycoside hydrolase family 26
Mannan endo-1 , 4-beta-mannosidase hydrolyses mannan and galactomannan , but displays little activity towards other plant cell wall polysaccharides . The enzyme randomly hydrolyses 1 , 4-beta-D-linkages in mannans , galacto-mannans , glucomannans and galactoglucomannans . 
<triplet> galactomannan <subj> polysaccharides <obj> subclass of