نتایج جستجو برای: 14 3 3 γ
تعداد نتایج: 2093316 فیلتر نتایج به سال:
Phagosomes are key organelles for the innate ability of macrophages to participate in tissue remodeling, clear apoptotic cells, and restrict the spread of intracellular pathogens. To understand the functions of phagosomes, we initiated the systematic identification of their proteins. Using a proteomic approach, we identified >140 proteins associated with latex bead-containing phagosomes. Among ...
Life and death decisions are made by integrating a variety of apoptotic and survival signals in mammalian cells. Therefore, there is likely to be a common mechanism that integrates multiple signals adjudicating between the alternatives. In this study, we propose that 14-3-3 represents such an integration point. Several proapoptotic proteins commonly become associated with 14-3-3 upon phosphoryl...
[This corrects the article DOI: 10.1371/journal.pone.0080414.].
Direct interactions between proteins are essential for the regulation of their functions in biological pathways. Targeting the complex network of protein-protein interactions (PPIs) has now been widely recognized as an attractive means to therapeutically intervene in disease states. Even though this is a challenging endeavor and PPIs have long been regarded as "undruggable" targets, the last tw...
The order and fidelity of cell cycle events in mammals is intimately linked to the integrity of the Chk1 kinase-Cdc25A phosphatase pathway. Chk1 phosphorylation targets Cdc25A for destruction and, as shown here, inhibits interactions between Cdc25A and its mitotic substrate cyclin B1-Cdk1. Phosphorylation of Cdc25A on serine 178 and threonine 507 facilitates 14-3-3 binding, and Chk1 phosphoryla...
Florigen, a mobile floral induction protein, initiates the flowering process of activating floral identity genes. Many details of the molecular function of florigen remain unclear. In the present study, we found that the rice florigen Hd3a directly interacts with 14-3-3 (GF14) proteins, but not with the transcription factor OsFD1. We further determined the 2.4-Å crystal structure of a tripartit...
BACKGROUND Creutzfeldt-Jakob disease (CJD) is a rapidly progressive and fatal neurodegenerative disorder for which there is no noninvasive and disease-specific test for premortem diagnosis. Previous studies have suggested that, in the proper clinical context, the 14-3-3 protein in cerebrospinal fluid is a reliable marker for sporadic CJD. OBJECTIVE To assess the sensitivity of the cerebrospin...
Interactions between proteins frequently involve recognition sequences based on multivalent binding events. Dimeric 14-3-3 adapter proteins are a prominent example and typically bind partner proteins in a phosphorylation-dependent mono- or bivalent manner. Herein we describe the development of a cucurbit[8]uril (Q8)-based supramolecular system, which in conjunction with the 14-3-3 protein dimer...
The template effect of 14-3-3 protein on the chemical ligation of fusicoccin derivatives containing an epoxide group and the pentapeptide QSYDC was investigated. HPLC analysis of the epoxide-opening reaction demonstrated that 14-3-3ζ protein improves the yield of the conjugate product compared to the protein-free control.
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