Crystal Structure of rat Autotaxin in complex with (2S)-6-chloro-2-[[5-(6-oxa-1-azaspiro[3.3]heptane-1-carbonyl)pyrimidin-2-yl]amino]-2,3-dihydro-1H-indene-4-carbonitrile, i.e. SMILES C1c2cc(cc(C#N)c2C[C@H]1Nc1ncc(cn1)C(=O)N1C2(COC2)CC1)Cl with IC50=0.00758135 microM; X-ray diffraction 1.33Å