Table 2 Amino acid composition and Thr/Ser ratio of xylanases TrXyn1, TrXyn2 and Xyl40-CD
| Â | TrXyn1 | TrXyn2 | Xyl40-CD |
|---|---|---|---|
Percentage of amino acids (%) | |||
 Ala | 5.1 | 3.7 | 3.2 |
 Arg | 1.7 | 3.2 | 4.2 |
 Asn | 10.1 | 10.5 | 9.0 |
 Asp | 2.8 | 2.1 | 3.7 |
 Cys | 0.0 | 0.0 | 2.1 |
 Gln | 6.2 | 5.3 | 5.8 |
 Glu | 2.8 | 2.1 | 1.1 |
 Gly | 12.4 | 14.2 | 14.8 |
 His | 1.7 | 1.6 | 1.6 |
 Ile | 3.4 | 4.7 | 3.2 |
 Leu | 3.4 | 2.6 | 3.2 |
 Lys | 0.6 | 2.1 | 1.6 |
 Met | 1.1 | 0.5 | 2.1 |
 Phe | 3.4 | 4.2 | 3.2 |
 Pro | 3.4 | 3.7 | 3.2 |
 Ser | 12.9 | 11.6 | 8.5 |
 Thr | 10.1 | 8.4 | 11.1 |
 Trp | 3.4 | 3.2 | 5.3 |
 Tyr | 5.6 | 8.9 | 7.9 |
 Val | 10.1 | 7.4 | 5.3 |
 Thr/Ser ratio | 0.78 | 0.73 | 1.31 |