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. 2014 Jun;80(11):3426–3432. doi: 10.1128/AEM.00016-14

TABLE 1.

Kinetic data for the four xylanases with beech wood xylan as the substrate

Xylanase Km (mg ml−1) Vmax (μmol min−1 mg−1) kcat (s−1) kcat/Km (ml s−1 mg−1)
XynA 5.40 ± 0.19 2,071 ± 30 1,521 ± 18 282
XynA-Tr 7.05 ± 1.88 222 ± 15 139 ± 4 19.8
XynB-Fu 1.71 ± 0.13 812 ± 17 605 ± 8 354
XynB 4.55 ± 0.43 94.4 ± 3.7 59.8 ± 2.8 13.1