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. 2012 May 2;109(3):146–155. doi: 10.1038/hdy.2012.22

Figure 3.

Figure 3

Evolutionary relationships of anuran MHC class Ia and Ib sequences. Consensus trees were constructed with PhyML on amino-acid alignments of either the α1 (a), α2 (b) or α3 (c) domains (see text for details). Bootstrap values above 70% are denoted by asterisks below branches (***=90–100% **=80–89% *=70–79%). Scales indicate the number of amino-acid substitutions per site. Some highly supported groups of sequences were compressed into blocks (the thickness of triangle was roughly proportional to number of sequences). GenBank Accession Nos. for X. laevis class Ia (Xela r/r: AF185582; Xela f/f: AF185580; Xela a/c-1: AF185583; Xela j/j: AF185586), X. laevis class Ib (XNC1: M58019; XNC2: L20725; XNC3: L20726; XNC4: L20727; XNC6: L20729; XNC5: L20728; XNC7: L20730; XNC8: L20731; XNC10: FJ589642; XNC11: FJ589643) and A. mexicanum class Ia (1: U83137; 2: U83138).