Structural determinants of phosphoinositide 3-kinase inhibition by wortmannin, LY29002, quercetin, myricetin, and staurosporine - Walker,E.H.; Pacold,M.E.; Perisic,O.; Stephens,L.; Hawkins,P.T.; Wymann,M.P.; Williams,R.L. (Mol Cell, 2000)