degrades beta(1-6) galactofuranoside linkages in the polysaccharide of Fusarium sp. M7-1; do not confuse with blood-group-substance endo-1,4-beta-galactosidase (EC 3.2.1.102) and keratan-sulfate endo-1,4-beta-galactosidase (EC 3.2.1.103) both also called endo-beta-galactosidase