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(A) Homologs of the Bs2 gene in DNA gel blots of various Solanaceous plants; EcoRI cut genomic plant DNA probed with the Bs2 0.5-kb PCR product of Bs2 L1 and Bs2 R1. (B) Predicted amino acid sequence of the Bs2 gene product. Residues of significance are indicated by italics (hydrophobic domains), bold italics (mt targeting sequence), underlining (NBS), and bold (disease resistance signatures including GLPL, CFLY, MHD, and LRR).
