ArticleBiochemistry and biophysics reports2024
Correlation of calpain sensitivity, Bradford assay instability, and electrophoretic mobility in phosphomimetic mutants of GlyT2 N-terminus.
Article in Biochemistry and biophysics reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 authors.
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Abstract
The glycine transporter GlyT2 plays an important role in glycine-inhibitory neurotransmission of the hindbrain and spinal cord. Its special feature is the extended N-terminus, which contains a large number of potentially phosphorylated serine and threonine residues. Due to its unstructured nature, it is difficult to address the changes introduced by potential phosphorylation. Here, we used relatively simple methods such as calpain sensitivity, Bradford instability, and SDS electrophoretic mobility shift to investigate the effect of multiple phosphomimetic mutations versus neutral mutations on GlyT2N properties. The replacement of several serines or threonines with neutral alanines did not have a significant effect on the studied GlyT2N properties. Replacement of the same residues with phosphomimetic aspartate resulted in significant alterations in calpain cleavage patterns, Bradford instability, and SDS gel protein mobility. Interestingly, a correlation between the relative intensity of the measured effects was observed, indicating that they all reflect similar structural changes introduced by potential phosphorylation
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