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Comparison of TR unit alignments inferred with MAFFT and progressive PIP for leucine-rich repeats from TLR2. The first 11 residues correspond to the highly conserved segment with the motif LxxLxLxxNxL where “L” is Leu, Ile, Val or Phe, and “N” is Asn, Thr, Ser, or Cys (Matsushima et al., 2007).
