Ding, J., Zhang, Z., Roberts, J.G., Falcone, D., Miao, Y., Shao, Y., Zhang, X.C., Andrews, D.W., and Lin, J., Bcl-2 and Bax interact via the BH1-3 groove: BH3 motif interface and a novel interface involving the BH4 motif. (2010) J. Biol. Chem., 285:28749-28763.