%0 Journal Article %T Mechanism of Constitutive Phosphoinositide 3-Kinase Activation by Oncogenic Mutants of the p85 Regulatory Subunit * %A Shekar, S. Chandra %A Wu, Haiyan %A Fu, Zheng %A Yip, Shu-Chin %A Nagajyothi, %A Cahill, Sean M. %A Girvin, Mark E. %A Backer, Jonathan M. %J Journal of Biological Chemistry %V 280 %N 30 %P 27850-27855 %@ 0021-9258 %D 2005-07-29 %I Elsevier %~ DeepDyve