TABLE 1.
Structure prediction of selected GHs and corresponding carbohydrates.
| GHs | Structure prediction |
Carbohydrate | ||
| Structure | Catalytic residues | |||
| Oligo-1,6-glucosidase (EC 3.2.1.10) | GH13 | (β/α)8 barrel structure, 4 β sheets | Asp212, Pro274, and Ala335 | Raffinose, Dextran, Resistant starch |
| Trehalose-6-phosphate hydrolase (EC 3.2.1.93) | GH13 | (β/α)8 barrel structure, 6 β sheets | Asp205, Trp267, and Asp329 | D-Trehalose anhydrous |
| Beta-glucosidase (EC 3.2.1.21) | GH3 | Consisting of two chains | D(+)-Cellobiose, Melibiose | |
| β-galactosidase (EC 3.2.1.23) | GH42 | (β/α)8 barrel structure | Lactulose, Lactose | |
| Sucrose phosphorylase (EC 2.4.1.7) | GH13 | Consisting of two chains, (β/α)8 barrel structure, 4 β sheets | D(+)-Sucrose | |
| Pullulanase (EC 3.2.1.41) | GH13 | The N-terminal and C- terminal were composed of 7 β sheets, and a (β/α)8 barrel structure in the middle. | Asp343, Glu375, and Asp466 | Pullulan |
| β-xylosidase (EC 3.2.1.37) | GH43 | Consisting of two chains; almost all were β sheets | Xylan | |