Additional file 4.

Scheme of the specificity pocket of the three serine proteases. Residues that contribute to the shape of the pocket are represented with filled circles. Residue type and positions in the AGAP005194, AGAP005195 and AGAP005196 proteases are separated by a "/". Red numbers in brackets indicate the residue position according to the chymotrypsin numbering scheme. Arrows indicate the predicted direction of the residue side chain as deduced by reconstructed models, with the length of the arrow being proportional to the size of the side chain.

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Mancini et al. BMC Evolutionary Biology 2011 11:72   doi:10.1186/1471-2148-11-72