Table 1 Glycoside hydrolase genes required for complete depolymerization of the cellulose and hemicellulose fractions of lignocellulose and enzymes encoded by genes in the A. acidocaldarius genome

Cellulose

 Endo-β-1,4-glucanase (EC 3.2.1.4)

X

 1,4-β-glucan glucanohydrolase (EC 3.2.1.74)

 1,4-β-glucan cellobiohydrolase (EC 3.2.1.91)

 β-Glucosidase (EC 3.2.1.21)

X

Hemicellulose

 Endo-β-1,4-xylanase (EC 3.2.1.8)

X

 Exo-β-1,4-xylosidase or β-xylosidase (EC 3.2.1.37)

X

 α-l-arabinofuranosidase (EC 3.2.1.55)

X

 Endo-α-1,5-arabinanase (EC 3.2.1.99)

 α-Glucuronidase (EC 3.2.1.139)

X

 Endo-β-1,4-mannanase (EC 3.2.1.78)

 Exo-β-1,4-mannosidase (EC 3.2.1.25)

 α-Galactosidase (EC 3.2.1.22)

 β-Glucosidase (EC 3.2.1.21)

X

 Endo-β-1,4-galactanase (EC 3.2.1.89)

 Acetylxylan esterase (EC 3.1.1.72)

X

 Acetylmannan esterase (EC 3.1.1.6)

 Ferulic and p-coumaric acid esterases (EC 3.1.1.73)

X