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Intracellular composition after 1 h of induction with xylohexaose. (a) Pure xylobiose. (b) Pure xylotetraose. (c) Pure xylose (d) Cell extract fraction A. (e) Cell extract fraction B (f) pure xylohexaose (X1 = xylose, X2 = xylobiose, X4 = xylotetraose, X6 = xylohexaose).
