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Organization of the Hcr9s at the Cf-9 locus and their homology with 9DC. The five Hcr9s (9A to 9E) present at the Cf-9 locus are indicated (Lower), as is the area of homology of Hcr9-9C and Hcr9-9D with 9DC (Upper). Arrows indicate ORFs with transcriptional direction. Note that no mechanism or direction in time is implied.
