In eukaryotic organisms, histone posttranslational modifications (PTMs) are indispensable for their role in maintaining cellular physiology, often through their mediation of chromatin-related processes such as transcription. Targeted investigations of this ever expanding network of chemical moieties continue to reveal genetic, biochemical, and cellular nuances of this complex landscape. In this study, we present our findings on a novel class of histone PTMs: Serine, Threonine, and Tyrosine O-acetylation. We have combined highly sensitive nano-LC-MS/MS experiments and immunodetection assays to identify and validate these unique marks found only on histone H3. Mass spectrometry experiments have determined that several of these O-acetylation marks are conserved in many species, ranging from yeast to human. Additionally, our investigations reveal that histone H3 serine 10 acetylation (H3S10ac) is potentially linked to cell cycle progression and cellular pluripotency. Here, we provide a glimpse into the functional implications of this H3-specific histone mark, which may be of high value for further studies of chromatin.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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