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Comparison of the active site of Stenotrophomonas DPIV with that of porcine DPIV. The active sites of Stenotrophomonas DPIV (a) and porcine DPIV complexed with an inhibitor (PDB code 1orw) (b) are shown by ribbon-and-stick models. (c) Stereo view of the ribbon-and-stick models, superimposing the active site of Stenotrophomonas DPIV onto that of porcine DPIV. The diagrams were drawn using the programs POVSCRIPT+ (15) and POVRAY (http://www.povray.org/).
