ArticleChembiochem : a European journal of chemical biology2022
Multiplexed Delivery of Synthetic (Un)Conjugatable Ubiquitin and SUMO2 Enables Simultaneous Monitoring of Their Localization and Function in Live Cells.
Article in Chembiochem : a European journal of chemical biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- Protein Modifications for Cellular Protein Delivery.Chemical reviews · 2026Review
- Cytosolic Delivery of Functional Ubiquitin.Journal of peptide science : an official publication of the European Peptide Society · 2025Article
- UbiREAD deciphers proteasomal degradation code of homotypic and branched K48 and K63 ubiquitin chains.Molecular cell · 2025Article
- A Site-Specific Click Chemistry Approach to Di-Ubiquitylate H1 Variants Reveals Position-Dependent Stimulation of the DNA Repair Protein RNF168.Angewandte Chemie (International ed. in English) · 2024Article
- Synthesis of ubiquitinated proteins for biochemical and functional analysis.Chemical science · 2023Review
- Synthetic Proteins behind the Plasma Barrier: Molecular Spies.Accounts of chemical research · 2022Article
- Antibody for Serine 65 Phosphorylated Ubiquitin Identifies PLK1-Mediated Phosphorylation of Mitotic Proteins and APC1.Molecules (Basel, Switzerland) · 2022Article
- Multiplexed Delivery of Synthetic (Un)Conjugatable Ubiquitin and SUMO2 Enables Simultaneous Monitoring of Their Localization and Function in Live Cells.Chembiochem : a European journal of chemical biology · 2022Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ubiquitin (Ub) and its related small Ub like modifier (SUMO) are among the most influential protein post-translational modifications in eukaryotes. Unfortunately, visualizing these modifications in live cells is a challenging task. Chemical protein synthesis offers great opportunities in studying and further understanding Ub and SUMO biology. Nevertheless, the low cell permeability of proteins limits these studies mainly for in vitro applications. Here, we introduce a multiplexed protein cell delivery approach, termed MBL (multiplexed bead loading), for simultaneous loading of up to four differentially labeled proteins with organic fluorophores. We applied MBL to visualize ubiquitination and SUMOylation events in live and untransfected cells without fluorescent protein tags or perturbation to their endogenous levels. Our study reveals unprecedented involvements of Ub and SUMO2 in lysosomes depending on conjugation states. We envision that this approach will improve our understanding of dynamic cellular processes such as formation and disassembly of membraneless organelles.
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