Fig. 2From: Retrofitting the BAC cloning vector pBeloBAC11 by the insertion of a mutant loxP site XhoI digests of miniprep DNA. Each DNA sample was digested with XhoI and electrophoresed on a 0.8% agarose gel. Lanes 1–7 represent various transformants. Lane 8 is a 1 kb ladderBack to article page