Additional file 1.

Five domain groupings of Scavenger A genes from D. melanogaster (Dmel), A. gambiae (Agam), C. elegans and D. pulex (Dpul). Abbreviations of domains: chitin-binding domain = cbd, scavenger receptor = SCRC (labelled 5' to 3' as A, B or C within a gene copy), low-density lipoprotein = ldl. Vertical lines indicate homologous SCRC domains as shown in phylogenetic tree. Groups 1–4 are all SR-A1, while group 5 is SR-A2 (see text).

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McTaggart et al. BMC Genomics 2009 10:175   doi:10.1186/1471-2164-10-175