pMOP1000 and it5 subclones. Insert DNA is represented by a line , vector pKT230 by an open box and vector pRK311 by a hatched box. Arrows denote the direction of transcription from the vector promoter. The ability of each plasrnid to restore a Mop+ phenotype to B. cepacia Pc704 is indicated in the right-hand column. The subsequently mapped positions of mopA and mopB and by arrows above pMOP1000. H, HindIII; E, EcoRI; X, Xhol.