Endo-1,4-beta-glukanaza/EC 3.2.1.4/endo-1,4-beta-ksilanaza/EC 3.2.1.8 dobivena od Aspergillus niger (CBS 600.94)
Endo-1,4-beta-xylanáza (EC 3.2.1.8) produkovaná mikroorganizmom Trichoderma longibrachiatum (ATCC 2105)