Crystal Structure of rat Autotaxin in complex with a dimer of [(2R,4S,5S)-5-ethynyl-1-azabicyclo[2.2.2]octan-2-yl]methyl N-cyclohexylcarbamate, i.e. SMILES O=C(NC1CCCCC1)OC[C@H]2C[C@@H]3CCN2C[C@@H]3C#CC#C[C@H]4CN5CC[C@H]4C[C@@H]5COC(=O)NC6CCCCC6 with IC50=4.47875 microM; X-ray diffraction 1.90Å