Research Articles
HECT vs. RING E3 Ligases: Specificity for Atypical Ubiquitin Chains and Therapeutic Implications
This article provides a comprehensive comparison of HECT and RING-family E3 ubiquitin ligases, focusing on their distinct catalytic mechanisms and specificities for generating atypical ubiquitin chain linkages (K6, K11, K27,...
Validating K29 and K33 Ubiquitin Chain Tools: A Guide for Linkage-Specific Detection and Functional Analysis
The expanding roles of atypical K29- and K33-linked ubiquitin chains in proteotoxic stress response, cell cycle regulation, and epigenetic control have intensified the need for robust, validated detection tools.
Decoding the Ubiquitin Code: From Canonical Signals to Atypical Chains in Health and Therapy
This article provides a comprehensive exploration of the ubiquitin code, contrasting the well-defined roles of canonical ubiquitin chains with the emerging functions of atypical and branched structures.
Beyond K48: How Branched K11/K48 Ubiquitin Chains Outperform Homotypic Chains as Priority Proteasomal Degradation Signals
This article provides a comprehensive comparison of homotypic and branched K11/K48 ubiquitin chains, exploring their distinct structural identities, functional consequences, and mechanisms of proteasomal recognition.
Validating K6-Linked Ubiquitin Chains in Mitophagy: Mechanisms, Methods, and Therapeutic Implications
The validation of K6-linked ubiquitin chains is pivotal for understanding mitochondrial quality control and its disruption in diseases like Parkinson's.
K63 vs K27 Ubiquitin Chains: Decoding Their Divergent Roles in Immune Signaling and Therapeutic Potential
This article provides a comprehensive comparison of K63- and K27-linked ubiquitin chains, two pivotal non-proteolytic regulators of innate and adaptive immunity.
K11 vs K48 Ubiquitin Chains in Proteasomal Degradation: Mechanisms, Recognition, and Therapeutic Implications
This article synthesizes current structural and mechanistic insights into how K11-linked and K48-linked ubiquitin chains target substrates for proteasomal degradation.
Optimizing Cellular Systems for Atypical Ubiquitin Chain Analysis: From Foundational Biology to Advanced Methodologies
This article provides a comprehensive guide for researchers and drug development professionals on optimizing cellular and analytical systems for the study of atypical ubiquitin chains.
Beyond the Bottleneck: Addressing Tool Limitations to Advance In Vivo Research in 2025
This article addresses the critical challenges and innovative solutions associated with tools and methodologies in modern in vivo studies.
Advancing K27 Ubiquitination Site Identification: Mass Spectrometry Strategies for Challenging Linkage Analysis
K27-linked ubiquitination is a critical but poorly understood post-translational modification with essential roles in cell proliferation, nuclear processes, and disease pathways.