Table 2. Amino Acid Composition Comparison of Salt-Tolerant Xylanases.
| parameters | XynMF13A | Xyl40 | XynAHJ14 | XynSL4 | Xyn10A | XynA | XynA | XynRBM26 |
|---|---|---|---|---|---|---|---|---|
| GH family | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 |
| acidic amino acids (%) | 4.30 | 4.46 | 14.91 | 17.37 | 15.68 | 12.88 | 12.06 | 12.01 |
| hydrophobic amino acids (%)a | 29.87 | 28.71 | 34.72 | 36.32 | 33.14 | 33.10 | 37.59 | 39.95 |
| highest activity with NaCl (%) | 105 | 140 | 100 | 100 | 134 | 190 | 120 | 100 |
| concentration of NaCl (M)b | 0.5 | 0.5 | 0 | 0 | 0.5 | 0.4 | 0.5 | 0 |
| references | this study | (37) | (54) | (55) | (36) | (56) | (35) | (34) |
a
Including amino acids: A I L F W V.
b
The highest activity of the enzyme when NaCl was added to the reaction system.