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Schematic presentation of the pristinamycin biosynthetic gene region of S. pristinaespiralis Pr11. PI and PII biosynthetic genes are shown as red and blue arrows respectively. Genes for regulation, resistance and of general function are shown as black arrows. Genes of unknown function are shown as grey arrows. The ∼ 90 kb interjacent gene region is shown as a dashed line. Parallel dashes mark the gene region boundaries.
