Table 2.

Fraction of clones scoring database matches in the host-translated frame

Host	[kan], μg/ml	Library
		100- to 200-bp	200- to 300-bp	300- to 500-bp
E. coli DH10B	0	0.3	0	0
	12.5	1	0.7	0.5
	37.5	1	0.7	0.7
E. coli XL1-Blue	100	0.7	0.7	0.8

The fraction of the scored matches (Table 1) that are in the reading frame actually translated by the host bacterium are shown. [kan], Kanamycin concentration.