Proteomics

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A substrate trapping approach identifies proteins regulated by reversible S-nitrosylation


ABSTRACT: In this study we adapted the Trx trapping strategy for global profiling of cellular nitrosylation/denitrosylation processes. Using this approach, we report the identification of hundreds of potential new nitrosylated targets in monoctyes and macrophages followed by validation using biochemical and functional assays.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Homo Sapiens (human) Mus Musculus (mouse)

TISSUE(S): B Cell

SUBMITTER: Tamar Ziv  

LAB HEAD: Moran Benhar

PROVIDER: PXD001001 | Pride | 2014-07-02

REPOSITORIES: Pride

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A substrate trapping approach identifies proteins regulated by reversible S-nitrosylation.

Ben-Lulu Shani S   Ziv Tamar T   Admon Arie A   Weisman-Shomer Pnina P   Benhar Moran M  

Molecular & cellular proteomics : MCP 20140627 10


Protein S-nitrosylation, the nitric oxide-mediated posttranslational modification of cysteine residues, has emerged as an important regulatory mechanism in diverse cellular processes. Yet, knowledge about the S-nitrosoproteome in different cell types and cellular contexts is still limited and many questions remain regarding the precise roles of protein S-nitrosylation and denitrosylation. Here we present a novel strategy to identify reversibly nitrosylated proteins. Our approach is based on nitr  ...[more]

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