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Site-specifically acetylated G6PD

ABSTRACT: Site-specifically acetylated G6PD expressed in bacteria or cultured mammalian cells by genetically encoding the incorporation of acetylated lysine. Purified G6PD (expressed in E. coli) or immunopurified G6PD (expressed in HEK293T cells) were subjected to LC-MS/MS analysis.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Homo Sapiens (human)

SUBMITTER: Eyal Arbely

LAB HEAD: Eyal Arbely

PROVIDER: PXD044906 | Pride | 2023-10-24

REPOSITORIES: Pride

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Acetylation-dependent coupling between G6PD activity and apoptotic signaling.

Wu Fang F Muskat Natali H NH Dvilansky Inbar I Koren Omri O Shahar Anat A Gazit Roi R Elia Natalie N Arbely Eyal E

Nature communications 20231005 1

Lysine acetylation has been discovered in thousands of non-histone human proteins, including most metabolic enzymes. Deciphering the functions of acetylation is key to understanding how metabolic cues mediate metabolic enzyme regulation and cellular signaling. Glucose-6-phosphate dehydrogenase (G6PD), the rate-limiting enzyme in the pentose phosphate pathway, is acetylated on multiple lysine residues. Using site-specifically acetylated G6PD, we show that acetylation can activate (AcK89) and inhi ...[more]

PMID: 37798264

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G6PD K403 acetylation-dependent PTM

Project description:To identify acetylation-dependent posttranslational modifications (PTMs) of G6PD, site-specifically acetylated and Flag-tagged G6PD was expressed in HEK293T cells by genetically encoding the incorporation of acetylated lysine in response to an in-frame TAG stop codon. K403-acetylated G6PD (sample) and K414-acetylated G6PD (control) were co-expressed with WT Fyn kinase and a catalytically inactive mutant of Fyn (FynDN). G6PD was immunoprecipitated using anti-Flag beads before MS analysis.

2023-10-24 | PXD041775 | Pride

NIK expression stimulated G6PD phosphorylation

Project description:Our findings establish NIK as a pivotal regulator of T cell metabolism in anti-tumor immunity and highlight a posttranslational mechanism of metabolic regulation involving the G6PD-NADPH redox system. CoIP assays revealed a strong physical interaction between NIK and G6PD in both T cells and transiently transfected 293 cells, suggesting G6PD to be a direct target of NIK. Using a phosphoprotein gel analysis approach, we demonstrated that NIK expression stimulated G6PD phosphorylation. To further study the mechanism, we performed mass spectrometry identify phosphorylation sites of G6PD stimulated by NIK

2020-10-05 | PXD020943 | Pride

Effect of G6PD loss on gene expression in LKB1 deficient KRAS-driven lung tumor

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2024-01-23 | GSE253613 | GEO

Identification of the potential regulators of G6PD activity in different cell cycle

Project description:Flag-G6PD was expressed in HeLa cells. Then the HeLa cells were synchronized with a double thymidine block procedure. Briefly, the exponentially growing HeLa cells were maintained with 2 mM thymidine for 18 h, followed by a release of 9 h in fresh medium, and then cells were re-cultured in 2 mM thymidine for additional 15 h. These interphase cells were harvested. After a release of 8.5 h in fresh medium, the cells entered into M phase. Mitotic cells were harvested by mitotic shake-off. Then, cell lysate was incubated with anti-Flag M2-agarose. Elutes were separated with 10% SDS-PAGE. The gel was stained with Coomassie Brilliant Blue. Visualized bands were excised and subjected to LC-MS/MS analysis.

2023-05-18 | PXD033829 | Pride

Transcriptome analysis of G6PD overexpression(OE) and wildtype(WT) cells in Multiple Myeloma

Project description:RNA-seq experiments was conducted to analyze changes in related signaling pathways and gene expression in multiple myeloma cells when G6PD was overexpression.

2021-04-20 | GSE172318 | GEO

RNA-seq of Huh7 cell after G6PD enzyme activity inhibitor RRx-1 treated with 20μM concentrations for 24h

Project description:In order to analyze the changes of G6PD enzyme activity regulating the metabolism and proliferation pathways in HCC cell. After G6PD enzyme activity inhibitor RRx-1 treated with 20μM concentrations for 24h in Huh7 cell. Differential expression of genes were selected after RNA sequencing. Then David Bioinformatics was utilized to identify the most significantly regulated GOTERMs and KEGG pathways based on the transcriptional changes.

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Metabolic profiling of prostate cancer in skeletal microenvironments identifies G6PD as a key mediator of growth and survival

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Genome-wide identification of CCA1-bound genes in Arabidopsis by ChIP-Seq

Project description:LHY and CCA1 encode single MYB transcription factors, involved in circadian clock. However, direct target genes of LHY and CCA1 in a genomic scale were largely unknown. To reveal bound genes by CCA1, chimeric protein CCA1-FLAG was expressed under CCA1 promoter in cca1 lhy (CCA1pro:CCA1-FLAG/ cca1 lhy). ChIP was performed using anti-FLAG antibody (F3165; SIGMA), which was bound to Dynabeads Protein G (100-03D; Life Technologies), and ChIP DNA were analyzed by IonPGM or Illumina GAII. Chromatin immunoprecipitation was performed for CCA1-FLAG-expressing Arabidopsis. ChIP DNA was analyzed 2 types of deep sequencers (Illumina GAII and IonPGM).

2016-03-11 | E-GEOD-67903 | biostudies-arrayexpress

Identification of the quantitative phosphoproteome in mitotic HeLa cells with or without G6PD inhibitors.

Project description:HeLa cells were synchronized with a double thymidine block procedure. Briefly, the exponentially growing HeLa cells were maintained with 2 mM thymidine for 18 h, followed by a release of 9 h in fresh medium, and then cells were re-cultured in 2 mM thymidine for additional 15 h. After a release of 7.5 h in fresh medium, DMSO or G6PD inhibitor was added to the medium. 1 h later, the cells entered into M phase. Mitotic cells were harvested by mitotic shake-off. Then, the samples were subjected to LC-MS/MS analysis. Finally, a Kinase-Substrate Enrichment was performed, which could infer the changes of upstream kinase activity upon the treatment of G6PD inhibitors.

2023-05-18 | PXD033825 | Pride

ChIP-chip from Drosophila egg chambers using antibody recognizing tetra-acetylated histone H4

Project description:Chromatin immunoprecipitation of tetra-acetylated histone H4 followed by hybridization to genome-wide tiling microarrays demonstrated that tetra-acetylated H4 is enriched at the two chorion Drosophila amplicons in follicle cells (DAFC) as well as other non-amplified loci Comparison of tetra-acetylated H4 ChIP sample compared to input DNA for two different Drosophila strains

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