Figure 2
From: Mercurial-resistance determinants in Pseudomonas strain K-62 plasmid pMR68
Organization of the mer operon of pMR68 and its homology with the corresponding mer genes identified in pMR68. merR, regulatory gene; merT and merF, mercury transport genes; merP, mercury binding gene; merA, mercuric reductase gene; merB, organomercurial lyase gene; orf, unknown open reading frame.