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Internalin A variants. Analysis of InlA amino acid sequence of 57 L. monocytogenes isolates revealed 20 different variants. InlA functional domains are represented as distinct blocks: signal peptide (SP), leucine rich repeats (LRR), intragenic repeat (IR), B-repeats, pre-anchor domain (PA), and cell wall anchor (CWA). Different variants are presented by one representative strain. Red indicates premature stop codon (PMSC).
