Clustal Omega multiple sequence alignment of XopLs from <i>Xoo</i> PX099A (accession ACD59771), <i>Xcc</i> 8004 (WP_011038250), <i>Xac</i> 306 (AAM37935) and <i>Xe</i> 85–10 (CAJ24951).

Amino acids are colored based on polarity (Geneious Prime). Acidic amino acids in red, basic in blue, and fuchsia highlights prolines. Domains are marked as follows: the proline-rich region (PRR) in gray, the three alpha helices in yellow, and the 9 LRR repeats and XL box in pink. (TIFF)