Table 1.

Fifteen EC numbers and corresponding enzyme activities reported to date within GH31 family

EC number	Activity
3.2.1.10	oligo-1,6-α-glucosidase
3.2.1.11	dextranase
3.2.1.20	α-glucosidase
3.2.1.22	α-galactosidase
3.2.1.24	α-mannosidase
3.2.1.48	sucrose α-glucosidase
3.2.1.84	glucan 1,3-α-glucosidase
3.2.1.177	α-D-xyloside xylohydrolase
3.2.1.199	sulfoquinovosidase
3.2.1.204	1,3-α-isomaltosidase
3.2.1.217	exo-acting α-N-acetylgalactosaminidase
2.4.1.24	1,4-α-glucan 6-α-glucosyltransferase
2.4.1.161	oligosaccharide 4-α-D-glucosyltransferase
2.4.1.387	isomaltosyltransferase
4.2.2.13	exo-(1→4)-α-D-glucan lyase

EC number 3.2.1.28 corresponding to α,α-trehalase, is report in this study.