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Detection of Protein S-Acylation using Acyl-Resin Assisted Capture
Published on: April 10, 2020
Direct methods for detection of protein S-nitrosylation
Nelmi O Devarie-Baez1, Dehui Zhang, Sheng Li
1Department of Chemistry, Washington State University, Pullman, WA 99164, USA.
Methods (San Diego, Calif.)
|May 4, 2013
Summary
Detecting protein S-nitrosylation, crucial for nitric oxide signaling, remains challenging. This work reviews new detection methods and details an organophosphine-based biotin labeling protocol for S-nitroso moieties.
Area of Science:
- Biochemistry
- Molecular Biology
- Chemical Biology
Background:
- S-nitrosylation of protein cysteine residues is a key nitric oxide (NO) signaling mechanism.
- Current methods for detecting protein S-nitrosylation face technical limitations, hindering research.
- Accurate detection is vital for understanding NO-mediated cellular processes.
Purpose of the Study:
- To review recent advancements in methods for directly detecting S-nitroso moieties.
- To provide a detailed protocol for an organophosphine-based biotin labeling technique for protein S-nitrosylation.
Main Methods:
- Review of literature on novel S-nitrosylation detection strategies.
- Detailed description of an organophosphine-biotin labeling protocol.
- Focus on methods directly targeting S-nitroso groups.
Main Results:
- Recent developments offer improved approaches for S-nitrosylation detection.
- The organophosphine-biotin method enables specific labeling of S-nitroso moieties.
- This protocol facilitates sensitive detection and analysis of S-nitrosylated proteins.
Conclusions:
- Despite challenges, new methods are emerging for robust S-nitrosylation detection.
- The described organophosphine-based protocol offers a valuable tool for researchers.
- Advancements in detection will further elucidate the role of S-nitrosylation in biological systems.

