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“Additionally, plasma levels of exosomal neural-derived IRS-1 phosphorylated at serine residue 307 (corresponding to serine residue 312 in humans) negatively correlated with survival of nigral dopamine neurons in multiple system atrophy mice treated with exendin-4.”
Brain : a journal of neurology • 2017 | View Paper
“Phosphorylation of serine 40 abolishes the binding of dopamine to a high affinity (KD < 4 nM) site on TH, thereby increasing the activity of the enzyme.”
“40, 8) suggests that dopamine interacts with aspartate 114 of TM3 and the serines of TM5 (194 and 197) with the transmembranes arranged in a counterclockwise manner when viewed from the extracellular space.”
European journal of pharmacology • 1992 | View Paper
“In parallel, pretreatment of murine hippocampal cultures with dopamine stimulated lasting increases in the phosphorylation of the glutamate receptor subunit GluA1 at serine 845.”
“Phosphorylation of serine 40 has been shown to have a large effect on the rate constant for dissociation of dopamine and a much smaller effect on that for DOPA [Ramsey, A. J., and Fitzpatrick, P. F. (1998) Biochemistry 37, 8980-8986].”
“Furthermore, the turnover rate of DA was significantly lower in caudate nucleus of adult SER than of Kyo:Wistar rat, whereas in pons‐medulla there was no difference between the two strains.”