FIG. 1.
Physical map of the A. vinelandii ptsP region and plasmids constructed in this work. The ptsP gene is represented by the arrow. The transposon insertion site is indicated. Vector sequences are represented by black bars. Restriction site abbreviations: Bg, BglII; C, ClaI; E, EcoRI; H, HindIII; P, PstI; S, SalI; X, XhoI; Xm, XmnI.