نتایج جستجو برای: phosphoinositide
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Phosphoinositides (PIs) are a class of phospholipids that are involved in cellular signaling, organelle identity and membrane trafficking. We have applied structural bioinformatics techniques in an attempt to predict the affinity and specificity of protein structures for phosphoinositide compounds. The ability to predict whether a protein is able to recognize phosphoinositide compounds would fo...
Phosphoinositide 3-kinases (PI3Ks) phosphorylate the 3'-OH position of the inositol ring of inositol phospholipids, producing three lipid products: PtdIns(3)P, PtdIns(3,4)P(2) and PtdIns(3,4,5)P(3). These lipids bind to the pleckstrin homology (PH) domains of proteins and control the activity and subcellular localisation of a diverse array of signal transduction molecules. Three major classes o...
We have used platelets permeabilized with saponin to examine the mechanism by which platelet activation causes the exposure of surface receptors for fibrinogen. Receptor exposure was detected using 125I-fibrinogen and 125I-PAC1, a monoclonal antibody specific for the activated form of the fibrinogen receptor. The potential mediators that were studied included guanyl-5'-yl imidodiphosphate (Gpp(...
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