نتایج جستجو برای: glycine rich loop
تعداد نتایج: 311334 فیلتر نتایج به سال:
We recently developed ultra-sensitive ethanol receptors (USERs) as a novel tool for investigation of single receptor subunit populations sensitized to extremely low ethanol concentrations that do not affect other receptors in the nervous system. To this end, we found that mutations within the extracellular Loop 2 region of glycine receptors (GlyRs) and γ-aminobutyric acid type A receptors (GABA...
In the central nervous system, glycine is a coagonist with glutamate at the N-methyl-D-aspartate subtype of ionotropic glutamate receptors. The GLYT1b subtype of glycine transporters is expressed in similar regions of the brain as the excitatory N-methyl-D-aspartate receptors and has been postulated to regulate glycine concentrations within excitatory synapses. We have expressed GLYT1b in Xenop...
Recent studies on the pathogenic mechanisms of recessive hyperekplexia indicate disturbances in glycine receptor (GlyR) α1 biogenesis. Here, we examine the properties of a range of novel glycine receptor mutants identified in human hyperekplexia patients using expression in transfected cell lines and primary neurons. All of the novel mutants localized in the large extracellular domain of the Gl...
The external loop linking the M2 and M3 transmembrane domains is crucial for coupling agonist binding to channel gating in the glycine receptor chloride channel (GlyR). A substituted cysteine accessibility scan previously showed that glycine activation increased the surface accessibility of 6 contiguous residues (Arg271-Lys276) toward the N-terminal end of the homomeric alpha1 GlyR M2-M3 loop. ...
Casein kinase CK2 is an essential enzyme in higher organisms, catalyzing the transfer of the γ phosphate from ATP to serine and threonine residues on protein substrates. In a number of animal tumors, CK2 activity has been shown to escape normal cellular control, making it a potential target for cancer therapy. Several crystal structures of human CK2 have been published with different conformati...
Glycine receptors (GlyR) are inhibitory Cys-loop ion channels that contribute to the control of excitability along the central nervous system (CNS). GlyR are found in the spinal cord and brain stem, and more recently they were reported in higher regions of the CNS such as the hippocampus and nucleus accumbens. GlyR are involved in motor coordination, respiratory rhythms, pain transmission, and ...
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