Protocol for tandem enrichment of ubiquitinated, phosphorylated, and glycosylated peptides with SCASP-PTM

Protocol for tandem enrichment of ubiquitinated, phosphorylated, and glycosylated peptides with SCASP-PTM

Summary: Here, we present a protocol for the tandem enrichment of ubiquitinated, phosphorylated, and glycosylated peptides from one sample using the SCASP-PTM (SDS-cyclodextrin-assisted sample preparation-post-translational modification) approach. We detail the steps for preparing samples for protei...

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Bibliographic Details
Main Authors: Zhan-Peng Lin, Yu-Yang Wang, Chengwen Wen, Kaijie Zhang, Xiangyu Chen, Xu Liang, Wan-Yue Luo, Changchuan Xie, Chuan-Qi Zhong
Format: Article
Language:English
Published: Elsevier 2025-09-01
Series:STAR Protocols
Subjects:
Cancer
Signal Transduction
Proteomics
Online Access:http://www.sciencedirect.com/science/article/pii/S2666166725003508
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Summary:Summary: Here, we present a protocol for the tandem enrichment of ubiquitinated, phosphorylated, and glycosylated peptides from one sample using the SCASP-PTM (SDS-cyclodextrin-assisted sample preparation-post-translational modification) approach. We detail the steps for preparing samples for protein extraction and digestion, followed by the enrichment of ubiquitinated, phosphorylated, and glycosylated peptides in a serial manner without intermediate desalting. We then describe procedures for desalting prior to mass spectrometric analysis.For complete details on the use and execution of this protocol, please refer to Lin et al.1 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
ISSN:2666-1667

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