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“All mutants exhibited similar plasma membrane expression when compared with WT SLC1A2, but substitutions of serine by aspartate or asparagine completely abolished substrate transport.”
The Journal of Biological Chemistry • 2015 | View Paper
“Mutation of serine to other amino acids with varying side chains: alanine, methionine, leucine, aspartic acid, asparagine , and arginine also resulted in significant activation, indicating a serine-specific inhibitory effect.”
Proceedings of the National Academy of Sciences of the United States of America • 2001 | View Paper
“Substitution of asparagine for serine at position 17 of human H-ras results in an impaired GTP-binding activity, causing the mutant Ras protein to be locked in a constitutively inactive GDP-bound state.”
“Substitution of an asparagine residue at position 102 by serine (N102S), the residue found in the analogous position of the mouse and rat min K proteins, results in decreased gpIsK in response to PKC stimulation.”
Proceedings of the National Academy of Sciences of the United States of America • 1993 | View Paper
“Mutagenesis of the serine residue at position 529, the putative aspirin acetylation site, to an asparagine reduced cyclooxygenase activity to barely detectable levels, an effect observed previously with the expressed sheep vesicular gland enzyme.”
FASEB journal : official publication of the Federation of American Societies for Experimental Biology • 1991 | View Paper
“Through asparagine synthetase knockdown and altering of media asparagine concentrations, we show that intracellular asparagine levels regulate uptake of amino acids, especially serine , arginine and histidine.”
“Mutation of an asparagine to a serine residue at position 290 dramatically reduced both etomidate-induced chloride currents and its ability to enhance [3H]flunitrazepam binding in HEK293 cells expressing alpha1beta3gamma2 recombinant GABA(A) receptors.”
“Replacement of the Ser at position 17 by Asn severely impairs the GTP binding ability of the protein and points to an important role of this residue in the coordination of Mg2+.”
“A detailed analysis revealed multiple sites for asparagine were being randomly substituted by serine , pointing to mistranslation as the likely source.”
“Reduction in serine concentration under asparagine starvation conditions helped reduce extent of misincorporation.”