Search Results - "M. Valpuesta, Jose"
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The architecture of the Schizosaccharomyces pombe CCR4-NOT complex
Published in Nature communications (25-01-2016)“…CCR4-NOT is a large protein complex present both in cytoplasm and the nucleus of eukaryotic cells. Although it is involved in a variety of distinct processes…”
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Increased Sensitivity of Antigen-Experienced T Cells through the Enrichment of Oligomeric T Cell Receptor Complexes
Published in Immunity (Cambridge, Mass.) (23-09-2011)“…Although memory T cells respond more vigorously to stimulation and they are more sensitive to low doses of antigen than naive T cells, the molecular basis of…”
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3
Structure of the Hsp110:Hsc70 Nucleotide Exchange Machine
Published in Molecular cell (25-07-2008)“…Hsp70s mediate protein folding, translocation, and macromolecular complex remodeling reactions. Their activities are regulated by proteins that exchange ADP…”
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Expression, Functional Characterization, and Preliminary Crystallization of the Cochaperone Prefoldin from the Thermophilic Fungus Chaetomium thermophilum
Published in International journal of molecular sciences (19-08-2018)“…Prefoldin is a hexameric molecular chaperone found in the cytosol of archaea and eukaryotes. Its hexameric complex is built from two related classes of…”
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Prefoldin 5 Is Required for Normal Sensory and Neuronal Development in a Murine Model
Published in The Journal of biological chemistry (07-01-2011)“…Molecular chaperones and co-chaperones are crucial for cellular development and maintenance as they assist in protein folding and stabilization of unfolded or…”
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6
Structure and non-structure of centrosomal proteins
Published in PloS one (09-05-2013)“…Here we perform a large-scale study of the structural properties and the expression of proteins that constitute the human Centrosome. Centrosomal proteins tend…”
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The Structure of Native Influenza Virion Ribonucleoproteins
Published in Science (American Association for the Advancement of Science) (21-12-2012)“…The influenza viruses cause annual epidemics of respiratory disease and occasional pandemics, which constitute a major public-health issue. The segmented…”
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8
Clathrin-coat disassembly illuminates the mechanisms of Hsp70 force generation
Published in Nature structural & molecular biology (01-09-2016)“…Light-scattering kinetics and atomic force and electron microscopy analyses show that Hsp70-mediated disassembly of clathrin cages occurs via a…”
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9
Mechanical Identities of RNA and DNA Double Helices Unveiled at the Single-Molecule Level
Published in Journal of the American Chemical Society (09-01-2013)“…Double-stranded (ds) RNA is the genetic material of a variety of viruses and has been recently recognized as a relevant molecule in cells for its regulatory…”
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10
Structural mechanism for tyrosine hydroxylase inhibition by dopamine and reactivation by Ser40 phosphorylation
Published in Nature communications (10-01-2022)“…Tyrosine hydroxylase (TH) catalyzes the rate-limiting step in the biosynthesis of dopamine (DA) and other catecholamines, and its dysfunction leads to DA…”
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11
The structure of a biologically active influenza virus ribonucleoprotein complex
Published in PLoS pathogens (01-06-2009)“…The influenza viruses contain a segmented, single-stranded RNA genome of negative polarity. Each RNA segment is encapsidated by the nucleoprotein and the…”
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12
Structural characterization of the substrate transfer mechanism in Hsp70/Hsp90 folding machinery mediated by Hop
Published in Nature communications (19-11-2014)“…In eukarya, chaperones Hsp70 and Hsp90 act coordinately in the folding and maturation of a range of key proteins with the help of several co-chaperones,…”
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13
Structural and functional analysis of the role of the chaperonin CCT in mTOR complex assembly
Published in Nature communications (28-06-2019)“…The mechanistic target of rapamycin (mTOR) kinase forms two multi-protein signaling complexes, mTORC1 and mTORC2, which are master regulators of cell growth,…”
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14
High resolution atomic force microscopy of double-stranded RNA
Published in Nanoscale (01-01-2016)“…Double-stranded (ds) RNA mediates the suppression of specific gene expression, it is the genetic material of a number of viruses, and a key activator of the…”
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15
Chaperonins: two rings for folding
Published in Trends in biochemical sciences (Amsterdam. Regular ed.) (01-08-2011)“…Chaperonins are ubiquitous chaperones found in Eubacteria, eukaryotic organelles (group I), Archaea and the eukaryotic cytosol (group II). They all share a…”
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Arc self‐association and formation of virus‐like capsids are mediated by an N‐terminal helical coil motif
Published in The FEBS journal (01-05-2021)“…Arc is a protein involved in neuronal plasticity, with the remarkable ability to assemble into virus‐like capsid structures. We have identified a coil…”
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Elevated levels of Secreted-Frizzled-Related-Protein 1 contribute to Alzheimer’s disease pathogenesis
Published in Nature neuroscience (01-08-2019)“…The deposition of aggregated amyloid-β peptides derived from the pro-amyloidogenic processing of the amyloid precurson protein (APP) into characteristic…”
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Engineering protein assemblies with allosteric control via monomer fold-switching
Published in Nature communications (13-12-2019)“…The macromolecular machines of life use allosteric control to self-assemble, dissociate and change shape in response to signals. Despite enormous interest, the…”
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Crystal structure of the open conformation of the mammalian chaperonin CCT in complex with tubulin
Published in Nature structural & molecular biology (01-01-2011)“…CCT/TRiC is a eukaryotic multi-subunit chaperonin that promotes the correct folding of many cytosolic proteins, including tubulin, within its cavity. Now the…”
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Truncation-Driven Lateral Association of α-Synuclein Hinders Amyloid Clearance by the Hsp70-Based Disaggregase
Published in International journal of molecular sciences (30-11-2021)“…The aggregation of α-synuclein is the hallmark of a collective of neurodegenerative disorders known as synucleinopathies. The tendency to aggregate of this…”
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