Proteomics

Dataset Information

0

HYPE mediated AMPylation profiling in human lysates


ABSTRACT: We describe here the first example of global chemoproteomic screening and substrate validation for HYPE mediated AMPylation in mammalian cell lysate. Through quantitative mass spectrometry-based proteomics coupled with novel chemoproteomic tools providing MS/MS evidence of AMP modification we identified a total of 27 AMPylated proteins, including the previously validated substrate, ER chaperone BiP (HSPA5), along with novel substrates involved in pathways of gene expression, ATP biosynthesis and maintenance of cytoskeleton. This dataset represents the largest library of AMPylated human proteins reported to date and a foundation for substrate-specific investigations that can ultimately decipher the complex biological networks involved in eukaryotic AMPylation.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Cell Culture

SUBMITTER: Remigiusz Serwa  

LAB HEAD: Edward W. Tate

PROVIDER: PXD002601 | Pride | 2015-12-02

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
AMPylation_HYPE.mgf Mgf
AMPylation_HYPEpeptides.pep.xml Pepxml
ATP1.mgf Mgf
ATP1peptides.pep.xml Pepxml
ATP2.mgf Mgf
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Publications

Global Profiling of Huntingtin-associated protein E (HYPE)-Mediated AMPylation through a Chemical Proteomic Approach.

Broncel Malgorzata M   Serwa Remigiusz A RA   Bunney Tom D TD   Katan Matilda M   Tate Edward W EW  

Molecular & cellular proteomics : MCP 20151124 2


AMPylation of mammalian small GTPases by bacterial virulence factors can be a key step in bacterial infection of host cells, and constitutes a potential drug target. This posttranslational modification also exists in eukaryotes, and AMP transferase activity was recently assigned to HYPE Filamentation induced by cyclic AMP domain containing protein (FICD) protein, which is conserved from Caenorhabditis elegans to humans. In contrast to bacterial AMP transferases, only a small number of HYPE subst  ...[more]

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