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Map of the promoter probe vector pLJ-2. ORI+, ORI- and rep represent the single-strand replication origin, the double strand origin and replication protein in B. subtilis, respectively. ColEI, bgaB and Cm represent E. coli ColEI replicon, chloramphenicol-resistance marker and coding gene of β-Gal. The unique restriction sites are marked on the outside of the map.
