Crystal Structure of rat Autotaxin in complex with 7-[3-(4-acetyl-3-hydroxy-2-propylphenoxy)-2-hydroxypropoxy]-4-oxo-8-propylchromene-2-carboxylic acid, i.e. SMILES c12c(c(ccc1C(=O)C=C(O2)C(=O)O)OC[C@@H](COc1c(c(c(cc1)C(=O)C)O)CCC)O)CCC with IC50=0.249971 microM; X-ray diffraction 1.71Å