Proteomics

Dataset Information

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Yeats cells AP-MS for Jhd2 and Tpk2 relative to article Phosphorylation of Jhd2 by the Ras-cAMP- PKA pathway regulates histone modifications and autophagy


ABSTRACT: This work uncovers a novel and biologically significant mechanism that directly connects nutrient availability to histone modifications and gene transcription. We report that glycolysis promotes histone H3K4 trimethylation (H3K4me3) by activating Tpk2, a catalytic subunit of protein kinase A (PKA) via the Ras-cyclic AMP (cAMP) pathway. Glucose-activated PKA (Tpk2) inhibits Jhd2-catalyzed H3K4 demethylation by phosphorylating Jhd2 at serine 321 and serine 340. In addition, Tpk2- catalyzed Jhd2 phosphorylation promotes H3K14ac by preventing the binding of Rpd3 at chromatin.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Saccharomyces Cerevisiae (baker's Yeast)

SUBMITTER: Yu Qi  

LAB HEAD: yu qi

PROVIDER: PXD030815 | Pride | 2022-08-29

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Jhd2-A.pdResult Other
Jhd2-A.pdResultView Other
Jhd2.raw Raw
Jhs2a-2021.3.24.msf Msf
Jhs2a-2021.3.24.msfView Msf
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