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167 results
2025
"VCP/p97 regulates a wide range of cellular processes, including post-mitotic Golgi reassembly. In this context, VCP is assisted by p47, an adapter protein, and VCPIP1, a deubiquitylase (DUB). However, how they organize into a functional ternary complex...
Of the multiple arenaviruses that cause haemorrhagic fevers in the Americas, all lack reliable therapeutic options, and only one has a vaccine. The arenavirus glycoprotein complex (GPC) binds cellular receptors and mediates pH-dependent fusion of viral...
Summary Glutarimide analogs, such as thalidomide, redirect the E3 ubiquitin ligase CRL4CRBN to induce degradation of certain zinc finger (ZF) proteins. Although the core structural motif recognized by CRBN has been characterized, it does not fully explain...
Summary Chromatin remodelers regulate gene expression and genome maintenance by controlling nucleosome positioning, but the structural basis for their regulated and directional activity remains poorly understood. Here, we present three cryoelectron...
Summary Homologous to E6AP C terminus (HECT) ubiquitin ligases play key roles in essential pathways such as DNA repair, cell cycle control, or protein quality control. Tom1 is one of five HECT ubiquitin E3 ligases in budding yeast S. cerevisiae and is...
P-glycoprotein (Pgp) is an important human multidrug transporter that contributes to pharmacokinetics and multidrug resistance. Despite decades of study, the conformation transition cycle of Pgp undergoing active drug transport is not defined, thus the...
Summary
Summary PP2A serine/threonine phosphatases are heterotrimeric complexes that execute many essential physiologic functions. These activities are modulated by additional regulatory proteins, such as ARPP19, FAM122A, and IER5. Here, we report the...
Codanin-1 (CDAN1) is an essential and ubiquitous protein named after congenital dyserythropoietic anemia type I, an autosomal recessive disease that manifests from mutations in CDAN1 or CDIN1 (CDAN1 interacting nuclease 1). CDAN1 interacts with CDIN1 and...
During human immunodeficiency virus (HIV-1) entry, the metastable pretriggered envelope glycoprotein (Env) trimer ((gp120/gp41)3) opens asymmetrically. We present cryo-EM structures of cleaved asymmetric Env trimers in amphipol-lipid nanodiscs. The gp41...