@article {49797, title = {Heterogeneity of Transcription Factor binding specificity models within and across cell lines}, year = {2015}, doi = {10.1101/028787}, url = {http://biorxiv.org/lookup/doi/10.1101/028787}, author = {Sharmin, Mahfuza and Corrada Bravo, Hector and Hannenhalli, Sridhar S.} }