A novel highly thermostable xylanase stimulated by Ca2+ from Thermotoga thermarum: cloning, expression and characterization

Table 2 Hydrolysis products of birchwood xylan and beechwood xylan

	0 h	0.5 h	1 h	2 h	3 h	5 h
X1	497/533	576/625	677/701	8300/1829	9798/4605	11980/9062
X2	11/44	2200/1870	10203/6938	9674/9094	7962/11362	7494/7955
X3	0/160	5500/4642	7425/7458	1682/5783	1923/1367	209/321
X4	0/152	3200/3298	1017/1278	27/397	0/34	0/60
X5	0/151	2750/2653	334/484	0/52	0/39	0/0
X6	0/0	2820/2532	0/264	0/0	0/0	0/0
Conversion percentage %	2.5/5.2	85.2/78.1	98.3/85.6	98.4/85.8	98.4/87.0	98.4/87.0

X1, X2, X3, X4, X5 and X6 are assigned to xylose, xylobiose, xylotriose, xylotetraose, xylopentaose and xylohexaose respectively. The former value in the table is for birchwood xylan and the latter is for beechwood xylan. The unit is mg L^-1.

ISSN: 2731-3654