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. 2013 Feb 13;8(2):e56038. doi: 10.1371/journal.pone.0056038

Figure 4. Genetic organization of the pca genes involved in protocatechuate catabolism in Burkholderia xenovorans LB400.

Figure 4

The pca genes are located in the minor chromosome (C2), major chromosome (C1) and megaplasmid (MP). The genes encoding the alpha and beta subunits of the protocatechuate 3,4-dioxygenase are indicated with black arrows. The orientations of ORFs are represented by open arrows. The promoter regions for pcaH, pcaQ, pcaI and pcaR are denoted with small black arrows, bent in the directions of transcription. The sizes of the genes and the intergenic regions are on scale.