Crystal Structure of rat Autotaxin in complex with N'-(4-butylphenyl)-N-[2-[4-(4-methylphenyl)sulfonylpiperazin-1-yl]ethyl]oxamide, i.e. SMILES S(=O)(=O)(N1CCN(CC1)CCNC(=O)C(=O)Nc1ccc(cc1)CCCC)c1ccc(cc1)C with IC50=0.0469096 microM; X-ray diffraction 1.80Å