rho GTP-Binding Proteins
Small GTP-binding proteins in the regulation of exocytosis in mast cells
... The results o f the experim ents presented in the previous section show that rCdc42H s can stim ulate secretion when introduced into m ast cells in its preactivated state (Figure 5.2). As w ith Rac, secretion can be stim ...
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Involvement of a small GTP binding protein in HIV 1 release
... small GTP binding proteins in virus release, using specific bacterial ...Cdc42, Rho and Rac molecules by modifying the protein structure through threonine glucosylation ...small GTP ...
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Rho family binding proteins in human neutrophils
... bound GTP nucleotide, thereby increasing the rate of conversion fi'om GTP to GDP-bound forms, down regulating the activity of the ...related proteins that possess GAP activity towards Rho ...
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Control of leukocyte integrin activity on T lymphocytes
... avidity binding although it is unclear how these cytoskeletal changes are bro u g h t about (Stewart et ...The Rho-subfam ily of the Ras superfam ily of GTP- binding proteins have ...
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Mechanism of Nucleotide Exchange by Guanine Nucleotide Exchange Factors on the Ras Superfamily of Small G-Proteins
... the GTP bound form of G- ...Ras proteins is the serine-threonine kinase Rafl. Direct binding of Rafl to ...a Rho like GTPase, a good example of cross-talk ...
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Glucose and GTP dependent stimulation of the carboxyl methylation of CDC42 in rodent and human pancreatic islets and pure beta cells Evidence for an essential role of GTP binding proteins in nutrient induced insulin secretion
... of GTP-binding pro- teins, achieved via inhibition of their posttranslational modifi- cations ...(e.g., rho, rac2, rab3A) present in the b cells in the stimulus–secretion coupling of ago- ...
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Regulation of phospholipase C-epsilon by Rho and Ras family proteins
... G proteins is an approximately 20 kDa G domain, which is a variation of a classical nucleotide-binding fold ...G proteins: a rigid phosphate- binding loop (P-loop), which contacts the α- and ...
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Small GTP binding protein Rho mediated signaling promotes proliferation of rheumatoid synovial fibroblasts
... heterotrimeric GTP-binding proteins through the stimulation of GEF activ- ity of p115RhoGEF ...inhibit Rho signaling after stimulation of protease-activated receptor-1 ...activated ...
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Cell Polarity and Hyphal Morphogenesis Are Controlled by Multiple Rho-Protein Modules in the Filamentous Ascomycete Ashbya gossypii
... i.e., GTP-binding/hydrolysis do- GAL1-promoter control, indicated that both yeast mains, effector domains, and membrane localization strains continued to proliferate only when carrying the domains for the ...
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Recent Advances in T Cell Signaling in Aging
... Grb2 binding phosphoprotein is known as Cbl, is a 120 kDa protein that is ubiquitously ex- pressed in resting and stimulated T cells ...small binding proteins such as Rho, Rac, and the Cdc42 ...
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ICP4, the major regulatory protein of herpes simplex virus, shares features common to GTP-binding proteins and is adenylated and guanylated.
... We conclude from these experiments the following: i only a small set of proteins in isolated nuclei from infected and mock-infected HeLa cells is labeled by [_x-32P]GTP; ii the labeling [r] ...
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Ethanol induced retention of nascent proteins in rat hepatocytes is accompanied by altered distribution of the small GTP binding protein rab2
... rab proteins, small GTPases that regulate vesicle-mediated ...rab proteins in membrane fractions isolated from control and ethanol-damaged ...marker proteins examined, such as the adaptins and ki- ...
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The epithelial mesenchymal transition of the Drosophila mesoderm requires the Rho GTP exchange factor Pebble
... seven Rho family members have been identified: RHO1 (RhoA), Rho-like (RhoL), RAC1, RAC2, CDC42, MIG2-like (MTL) and RhoBTB (Hakeda- Suzuki et ...these proteins have suggested roles in a wide range of ...
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Differential expression of guanine nucleotide binding proteins enhances cAMP synthesis in regenerating rat liver
... Fluctuations in cyclase activity were not explained by variations in glucagon receptor kinetics, but reflected altered G-protein expression. Membrane levels of the stimulatory G- protein, Gs alpha, increased early after ...
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Glucose activates the carboxyl methylation of gamma subunits of trimeric GTP binding proteins in pancreatic beta cells Modulation in vivo by calcium, GTP, and pertussis toxin
... matic glycation (28). Recently, we (22) and others (30, 31) have demonstrated that the b subunit of trimeric G-proteins undergoes transient phosphorylation at a histidine residue; the phosphate in turn is ...
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Failure of hCG/LH receptors to stimulate the transmembrane effector adenylyl cyclase in human endometrium
... specific binding to the membrane-bound hCG/LH receptors, followed by cou- pling of the receptors to GTP-binding stimulatory (Gsα) protein and activation of the adenylyl cyclase (AC), the ...
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Enhanced G protein activation in immortalized lymphoblasts from patients with essential hypertension
... G proteins, and control binding of the stable GTP analogue, guanosine 5'-[gamma-thio]triphosphate (GTP gamma S), to membrane G proteins were not different in NT and HT cell ...
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Identification and characterization of the gene expression profiles for protein coding and non-coding RNAs of pancreatic ductal adenocarcinomas
... BMP binding endothelial regulator (BMPER), the FYVE Rho GEF and PH domain containing 1 (FGD1) and the R-spondin 3 (RSPO3) ...four proteins have been also found to be secreted and present in both ...
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A Nucleotide Binding Motif in Hepatitis C Virus (HCV) NS4B Mediates HCV RNA Replication
... no GTP labeling of 5A-GFP was observed ...for GTP and sensitive to genetic ...nucleotide binding relative to wild-type control (bottom). (A) Binding of labeled GTP is progressively ...
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Mitochondrial Translation
... of GTP each time an amino- tants), unless specific nuclear mutations are present acylated tRNA is accommodated on the A site of the (Haffter and Fox 1992); in a similar way human cells ribosome, and its recycling ...
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