Additional file 4.

BEB analysis of MSTN-1a/1b and MSTN-2a/2b. The amino acid letter represents the amino acid for that position in the first sequence of the alignment used to for the analysis (O. kisutch for MSTN-1a/1b and C. clupeaformis for MSTN-2a/2b). An * indicates there was a gap in the alignment at that position for the first sequence in the alignment. Only sites with probabilities greater than 95% are listed.

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Lawson et al. BMC Evolutionary Biology 2012 12:202   doi:10.1186/1471-2148-12-202