Results 21 to 30 of about 34,485 (247)

Hsp60 Post-translational Modifications: Functional and Pathological Consequences

open access: yesFrontiers in Molecular Biosciences, 2020
Hsp60 is a chaperone belonging to the Chaperonins of Group I and typically functions inside mitochondria in which, together with the co-chaperonin Hsp10, maintains protein homeostasis.
Celeste Caruso Bavisotto   +14 more
doaj   +1 more source

Chaperonin genes on the rise: new divergent classes and intense duplication in human and other vertebrate genomes

open access: yesBMC Evolutionary Biology, 2010
Background Chaperonin proteins are well known for the critical role they play in protein folding and in disease. However, the recent identification of three diverged chaperonin paralogs associated with the human Bardet-Biedl and McKusick-Kaufman ...
Macario Alberto JL   +3 more
doaj   +1 more source

Complex Destabilization in the Mitochondrial Chaperonin Hsp60 Leads to Disease

open access: yesFrontiers in Molecular Biosciences, 2020
Several neurological disorders have been linked to mutations in chaperonin genes and more specifically to the HSPD1 gene. In humans, HSPD1 encodes the mitochondrial Heat Shock Protein 60 (mtHsp60) chaperonin, which carries out essential protein folding ...
Alejandro Rodriguez   +3 more
doaj   +1 more source

Myelin pathology: Involvement of molecular chaperones and the promise of chaperonotherapy [PDF]

open access: yes, 2019
The process of axon myelination involves various proteins including molecular chaperones. Myelin alteration is a common feature in neurological diseases due to structural and functional abnormalities of one or more myelin proteins.
Cappello F.   +4 more
core   +1 more source

Chloroplast Chaperonin: An Intricate Protein Folding Machine for Photosynthesis

open access: yesFrontiers in Molecular Biosciences, 2018
Group I chaperonins are large cylindrical-shaped nano-machines that function as a central hub in the protein quality control system in the bacterial cytosol, mitochondria and chloroplasts.
Qian Zhao, Qian Zhao, Cuimin Liu
doaj   +1 more source

Folding for the Immune Synapse: CCT Chaperonin and the Cytoskeleton

open access: yesFrontiers in Cell and Developmental Biology, 2021
Lymphocytes rearrange their shape, membrane receptors and organelles during cognate contacts with antigen-presenting cells (APCs). Activation of T cells by APCs through pMHC-TCR/CD3 interaction (peptide-major histocompatibility complex-T cell receptor ...
Noa Beatriz Martín-Cófreces   +6 more
doaj   +1 more source

Overexpression of a Prefoldin β subunit gene reduces biomass recalcitrance in the bioenergy crop Populus. [PDF]

open access: yes, 2020
Prefoldin (PFD) is a group II chaperonin that is ubiquitously present in the eukaryotic kingdom. Six subunits (PFD1-6) form a jellyfish-like heterohexameric PFD complex and function in protein folding and cytoskeleton organization.
Barry, Kerrie   +20 more
core   +1 more source

Oncogenic fusion protein BCR-FGFR1 requires the breakpoint cluster region-mediated oligomerization and chaperonin Hsp90 for activation. [PDF]

open access: yes, 2020
Mutation and translocation of fibroblast growth factor receptors often lead to aberrant signaling and cancer. This work focuses on the t(8;22)(p11;q11) chromosomal translocation which creates the breakpoint cluster region (BCR) fibroblast growth factor ...
Bisom-Rapp, Ezra W   +4 more
core   +2 more sources

Archaeal chaperonins

open access: yesFrontiers in Bioscience, 2009
Chaperonins are ubiquitous and essential protein folding machines. They have a striking structure, with two rings of seven, eight, or nine protomers forming a "double doughnut" complex, with the cavity in each ring being the likely site for protein folding to take place. The group I chaperonins, found in bacteria and the organelles descended from them,
Andrew T, Large, Peter A, Lund
openaire   +2 more sources

Chaperonin CCT controls extracellular vesicle production and cell metabolism through kinesin dynamics

open access: yesJournal of Extracellular Vesicles, 2023
Cell proteostasis includes gene transcription, protein translation, folding of de novo proteins, post‐translational modifications, secretion, degradation and recycling. By profiling the proteome of extracellular vesicles (EVs) from T cells, we have found
Amelia Rojas‐Gómez   +17 more
doaj   +1 more source

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