YWHAB (14-3-3 beta/alpha) binds phosphorylated YAP1 proteins, sequestering them in the cytosol. Structural studies indicate that the active form of YWHAB (14-3-3 beta/alpha) is a homodimer (Yang et al. 2006); the stoichiometry of its complex with YAP1 is unknown and has been annotated arbitrarily here to involve one YAP1 molecule and a YWHAB (14-3-3 beta/alpha) dimer. While YAP1 can be phosphorylated on several serine residues, phosphorylation of serine-127 appears to be critical for YWHAB(14-3-3 beta/alpha) binding (Zhao et al. 2007).
Elkins, JM, Sobott, F, Papagrigoriou, E, Grossmann, JG, Robinson, CV, Sundström, M, Lee, WH, Yang, X, Doyle, DA
Zheng, P, Halder, G, Ye, K, Lai, ZC, Yu, J, Wei, X, Guan, KL, Chinnaiyan, A, Xie, J, Yang, Q, Li, L, Kim, J, Li, W, Ikenoue, T, Udan, RS, Zhao, B
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