Figure 3.

Mosaic Gene Structure of the Rp1 Homologs.

N-term indicates the N-terminal nucleotide binding site region (domain A), LRR1 indicates Leu-rich repeat region 1 (domain B), and LRR2 indicates Leu-rich repeat region 2 (domain D). Domain C is the region between LRR1 and LRR2. Domain E is the region between LRR2 and the end of the gene (stop codon). Recombination breakpoints are located in the LRR regions, creating chimeric gene structures. Gray and black boxes represent the highest similarity to Rp1-D and rp1-2/rp1-4, respectively. Hatched boxes represent regions that are unique to the specific Rp1 homologs.