TABLE 5.

Synthesis yields of α-1,6 GOS, α-1,2 GOS, and total GOS in the presence of 200 g of sucrose liter⁻¹ and 100 g of maltose liter^−1a

Protein	Oligosaccharide yield (%)		Total oligosaccharide yield (%)	Sucrose consumption (%)
	Yα-1,6 GOS	Yα-1,2 GOS
L. mesenteroides NRRL B-1299	32.6	26.4	59	100
DSR-E	68.2	11.7	79.9	100
Δ(VZ)	59.2	21.4	80.6	100
Δ(CD2)	84.2	0.0	84.2	100
CD1	57.3	0.0	57.3	20
GBD-CD2	0.0	0.0	0.0	73
CD2	0.0	0.0	0.0	7

^aReactions were carried out using the different truncated forms of DSR-E, with 0.5 U of crude cell extract ml⁻¹, at 30°C in 20 mM sodium acetate buffer, pH 5.4.