2Y3A:
reference: Structure of Lipid Kinase p110beta/p85beta Elucidates an Unusual SH2-Domain-Mediated Inhibitory Mechanism., Zhang X, Vadas O, Perisic O, Anderson KE, Clark J, Hawkins PT, Stephens LR, Williams RL, Mol Cell. 2011 Mar 4;41(5):567-78. PMID: 21362552

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