@inproceedings{inproceedings6283d564, title = {Electron densities found in the ligand binding site of nuclear receptors structures can refute their apo-form crystallographic models}, author = {Liberato, M. V. and Polikarpov, Igor}, year = {2009}, publisher = {Instituto de Física de São Carlos - USP}, booktitle = {International Network of Protein Engineering Centers - INPEC} }