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Fig. 2. Multiple alignment of the toll/interleukin receptor (TIR) domain of TLR4.
The number suffix indicates the corresponding TLR of that species. The alpha
helices and beta sheets are indicated beneath the alignment. TM, transmembrane
region; HR, hydrophobic region; asterisk, site of LPSd mutation; 1,
residues important in the BB protein interaction site; and 2, residues
important in the DD loop protein interaction site. Sequences used in the
alignment are detailed in Table
2.