TABLE 1.

Substrate specificities of recombinant cellulosomes of XynA and cellulases

Cellulosome	Compositiona	Content (U/μmol of enzyme)			Products from cell wallsb
		Cellwallase	Cellulase	Xylanase
XynA	XynA (2), mini-CbpA (1)	0.103	NDc	741	X2 (X3)
Cellulase	EngE (1), EngH (1), ExgS (1), and mini-CbpA (2)	0.274	0.540	41	G2 (G3, G4)

^aThe values in parentheses indicate relative molar amounts.

^bX2, xylobiose; X3, xylotriose; G2, cellobiose; G3, cellotriose; G4, cellotetraose. The sugars in parentheses indicate sugars liberated in trace amounts.

^cND, not detected.