Genetic content of S. citri strain GII3-3X: pScis and related plasmids pBJS-O and pSKU146. Circular plasmids are represented by linear maps to facilitate comparisons. Conserved CDS are represented in coloured boxes. Letters A to N indicate the PA to PN paralog families. TraG, TrsE and Soj belong to TraG-TraD, TraE and parA protein families respectively. Arrows indicate the positions of IRR shown on Fig. 4 and Fig. 5.