Abstract

Spatially and temporally controlled phosphorylation in disordered protein regions is critical to many facets of protein function and broader cellular health. Intrinsically disordered protein regions (IDRs) are overrepresented as targets of phosphorylation, but the structural and functional consequences of such modifications remain elusive for many systems. Toward rigorous modeling of phosphorylated IDRs using all-atom simulations, we present new parameters for phosphoserine and phosphothreonine for the ABSINTH implicit solvent paradigm. Through the study of four example phospho-IDRs, we demonstrate excellent agreement between our phospho-IDR simulations and published datasets.

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