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2009 NOV 27 ... in the beta 1-glycine receptor. We employed voltage-clamp fluorometry to compare ligand-binding domain conformational changes induced by the following agonists, listed from highest to ... conformational changes induced by the following agonists, listed from highest to lowest affinity and efficacy: glycine > beta-alanine > taurine. Voltage-clamp fluorometry involves ...
2009 NOV 27 ... "Bile acid-binding proteins (BABPs) are cytosolic lipid chaperones that play central roles in driving bile ... number of factors have been shown to modulate bile salt selectivity, stoichiometry, and affinity of binding to BABPs, e.g. chemistry of the ligand, protein plasticity and, possibly, the ...
2009 NOV 25 ... was equivalent to those of Z1-Z2, Z2A-Z2A, and native factor G, suggesting that the binding of a single xylanase Mike module prevents the subsequent binding of another module to ... Z2A-Z2A bound more strongly to an insoluble beta-1,3-D-glucan (curdlan) than Z2A. The affinity of Z2A for a soluble beta-1,3-D-glucan (laminarin) was equivalent to those of Z1-Z2, ...
2009 NOV 27 ... Orail. In this work, we applied a grafting approach to obtain the intrinsic metal-binding affinity of the isolated EF-hand of STIM1, and further investigated its oligomeric state using ...
2009 NOV 27 ... based on molecular features that have only a tangential relationship to a protein/ligand binding event. Such methods have limited utility when structural variation moves beyond ... "Computational methods for predicting ligand affinity where no protein structure is known generally take the form of regression analysis based ...
2009 NOV 27 ... [2]benzofuran-1,4'-piperidines] (7) has been synthesized. In receptor binding studies, the N-benzyl derivative 7a (WMS-1813) revealed extraordinarily high sigma(1) ... the N-benzyl derivative 7a (WMS-1813) revealed extraordinarily high sigma(1) receptor affinity (K-i = 1.4 nM) and excellent sigma(1)/sigma(2) Selectivity (>600fold)," investigators ...
2009 NOV 24 ... linker with covalently attached bio-specific ligands to demonstrate heavy metal ion binding and re-use is reported. Central to this technology are the easy to manufacture membranes ... fluoride) and poly(sulfone) membranes, a physisorbed amphiphillic surfactant as an affinity linker with covalently attached bio-specific ligands to demonstrate heavy metal ion ...
2009 NOV 24 ... site with the bulk. To explore the role of this ''tunnel'' in the control of ligand binding, we determined the structure of metNgb and NgbCO equilibrated with Xe or Kr. We show ... globin expressed in the brain of vertebrates. Ferrous Ngb binds dioxygen with high affinity and the O-2 adduct is able to scavenge NO.""Convincing in vitro and in ...
2009 NOV 24 ... According to recent research from Sosnowiec, Poland, "We compared the binding affinity of 6-propyl-2-thiouracil (PTU) with native and destabilized human serum albumin (HSA) as ...
2009 NOV 27 ... recognition of KLRG1 by E-cadherin remains unclear. Here, we report structural, binding, and functional analyses of this interaction using multiple methods. Surface plasmon ... demonstrated that KLRG1 binds the E-cadherin N-terminal domains 1 and 2 with low affinity (K-d similar to 7-12 mc M), typical of cell-cell recognition receptors. NMR binding ...
2009 NOV 27 ... phenotype. Ligand blotting of VSMC lysates revealed the presence of several maspin-binding proteins, with a protein of 150 kDa differentially expressed between the two VSMC ... Specific binding of these integrins was also observed using maspin-affinity chromatography, using HT1080 cell lysates. Direct binding of maspin to alpha 5 beta 1 ...
2009 NOV 27 ... and a series of deazapurines were synthesized and investigated in [H-3]adenine binding studies at the adenine receptor in rat brain cortical membrane preparations (rAdelR). ... in binding studies at human embryonic kidney (HEK293) cells, which also express a high-affinity adenine binding site. Structure-affinity relationships at the human cell line were ...
2009 NOV 24 ... same ParM filaments can exist in two different structural states, with the nucleotide-binding cleft closed or open, and the bound nucleotide biases the distribution of states. The ... polymerization kinetics and stability in the presence of either ATP or GTP and a 10-fold affinity preference for ATP over GTP," scientists in the United States report. "We ...
2009 NOV 24 ... oxidation in this process has not been defined." "We found that the actin-binding protein cofilin is a key target of oxidation. When oxidation of this single regulatory ... oxidant-induced apoptosis is inhibited. Oxidation of cofilin causes it to lose its affinity for actin and to translocate to the mitochondria, where it induces swelling and ...
2009 NOV 23 ... residue replacement. Of the eight tested peptides, the 1Y analog had the strongest binding-affinity and lowest-dissociation rate to HLA-A*0201. Additionally, we investigated the ...
2009 NOV 23 ... identified the small, reduction/oxidation-regulatory protein thioredoxin as a mammalian binding partner of the Salmonella effector SlrP. The interaction was confirmed by affinity ...
2009 NOV 23 ... and angiogenesis. Our findings suggest that vascular changes related to increased binding affinity for cationic particles are very early events within the inflammatory reaction in acute ...
2009 NOV 24 ... proven to be important for the recognition of Galbeta1-4GlcNAc are not necessary for the binding to Galbeta1-4Fuc. Another major C. elegans galectin, LEC-1, also showed preferential ... LEC-6 interacts with PA-Galbeta1-4Fuc more strongly than PA-Galbeta1-3Fuc by frontal affinity chromatography (FAC). Galbeta1-4Fuc also inhibited hemagglutination caused by LEC-6 more ...
2009 NOV 27 ... oligonucleotides that have undergone iterative rounds of in vitro selection for binding with high affinity to specific analytes of choice; a sensitive yet simple method to ...
2009 NOV 24 ... were confirmed by coimmunoprecipitation and glutathione S-transferase affinity matrix binding. SPAG11B/D and the three interacting proteins are expressed in the proximal epididymis, ...
