Table 2.
Deacetylation rates and rates for acetic acid released
| enzyme | -Xyl3- O Ac2-MeGlcA- | -Xyl2- O Ac- | -Xyl3- O Ac- | -Xyl2,3- O Ac- | Acetic acid |
|---|---|---|---|---|---|
| TeCE1a | 0.0 | 12.7 | 25.5 | 44.0 | 74.6 |
| CtCE2b | 0.0 | <0.01 | 6.5 | 0.0 | 5.7 |
| CtCE3b | 0.0 | <0.01 | <0.01 | 0.0 | <0.01 |
| CtCE4b | 0.0 | 88.1 | 356.6 | 0.0 | 365.7 |
| AnCE5a | 0.0 | 202.7 | 276.2 | 274.4 | 754.7 |
| TrCE5a | 0.0 | 171.8 | 289.2 | 92.5 | 540.9 |
| OsCE6a | 0.0 | 48.64 | 92.2 | 50.3 | 117.7 |
| AnCE16b | 0.03 | 1.80 | 1.92 | 1.50 | 5.25 |
Deacetylation rates (μmol acetyl groups removed/min/mg enzyme) by acetyl esterases for 2-O, 3-O, and 2,3-di-O acetylated Xylp and 3-O acetylated Xylp 2-O substituted with MeGlcA from eucalyptus and rates for the total acetic acid released (μmol acetic acid released/min/mg enzyme).
aμmol acetyl groups removed/min/mg enzyme and acetic acid released/min/mg enzyme after 5 min.
bμmol acetyl groups removed/min/mg enzyme and acetic acid released/min/mg enzyme after 30 min.