File Name : figure s1.tif Caption : supplementary figure s1. multiple sequence alignment of hemoglobin subunit alpha from gallus gallus (p02001 and p01994), capra hircus (p0ch26) and canis lupus familiaris (p60529) (a), and hemoglobin subunit beta from capra hircus (p02077 and p02078) and canis lupus familiaris (p60524) (b), identified in sample s3 from the bamana boli. the unique peptides, confidently identified for each species and reported in the supplementary table s2, are highlighted in yellow. alignment was made using the uniprot align tool.