Mutations in the Yeast Hsp70, Ssa1, at P417 Alter ATP Cycling, Interdomain Coupling, and Specific Chaperone Functions

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Mutations in the Yeast Hsp70, Ssa1, at P417 Alter ATP Cycling, Interdomain Coupling, and Specific Chaperone Functions is …
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scholarly articleQ13442814

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P356DOI10.1016/J.JMB.2015.04.010
P932PMC publication ID4569534
P698PubMed publication ID25913688

P50authorGabriela ChiosisQ29515233
P2093author name stringJeffrey L Brodsky
Hardik J Patel
Patrick G Needham
Patrick H Thibodeau
P2860cites workMultiple roles of prolyl residues in structure and foldingQ74247254
CFTR expression and ER-associated degradation in yeastQ77830989
Allosteric regulation of Hsp70 chaperones involves a conserved interdomain linkerQ79278307
Crystal structure of the stress-inducible human heat shock protein 70 substrate-binding domain in complex with peptide substrateQ21090602
Hsp70 chaperones: cellular functions and molecular mechanismQ24644472
The cytoplasmic Hsp70 chaperone machinery subjects misfolded and endoplasmic reticulum import-incompetent proteins to degradation via the ubiquitin-proteasome systemQ24676115
Structural insights into substrate binding by the molecular chaperone DnaKQ27621983
Allosteric opening of the polypeptide-binding site when an Hsp70 binds ATPQ27678317
Functional analysis of Hsp70 inhibitorsQ27680671
Structure and dynamics of the ATP-bound open conformation of Hsp70 chaperonesQ27683212
Threonine 204 of the chaperone protein Hsc70 influences the structure of the active site, but is not essential for ATP hydrolysisQ27731445
Structural analysis of substrate binding by the molecular chaperone DnaKQ27732810
Dissecting the ER-associated degradation of a misfolded polytopic membrane proteinQ27930024
Previously unknown role for the ubiquitin ligase Ubr1 in endoplasmic reticulum-associated protein degradationQ27930173
Nucleotide exchange factor for the yeast Hsp70 molecular chaperone Ssa1pQ27931293
Role of Hsp70 subfamily, Ssa, in protein folding in yeast cells, seen in luciferase-transformed ssa mutantsQ27931476
The yeast Hsp110, Sse1p, exhibits high-affinity peptide bindingQ27932962
Complex interactions among members of an essential subfamily of hsp70 genes in Saccharomyces cerevisiaeQ27933205
Differential regulation of Hsp70 subfamilies by the eukaryotic DnaJ homologue YDJ1.Q27933284
Prion-impairing mutations in Hsp70 chaperone Ssa1: effects on ATPase and chaperone activitiesQ27934126
Regulation of Hsp70 function by a eukaryotic DnaJ homologQ27934505
Distinct roles for the Hsp40 and Hsp90 molecular chaperones during cystic fibrosis transmembrane conductance regulator degradation in yeastQ27934755
The dissociation of ATP from hsp70 of Saccharomyces cerevisiae is stimulated by both Ydj1p and peptide substratesQ27935038
The yeast hsp70 homologue Ssa is required for translation and interacts with Sis1 and Pab1 on translating ribosomesQ27935337
Functional interaction of cytosolic hsp70 and a DnaJ-related protein, Ydj1p, in protein translocation in vivoQ27935347
Folding in vivo of a newly translated yeast cytosolic enzyme is mediated by the SSA class of cytosolic yeast Hsp70 proteinsQ27935523
Mitochondrial Hsp70 Ssc1: role in protein folding.Q27936101
Differential requirement for the mitochondrial Hsp70-Tim44 complex in unfolding and translocation of preproteins.Q27936192
YDJ1p facilitates polypeptide translocation across different intracellular membranes by a conserved mechanismQ27937736
Distinct machinery is required in Saccharomyces cerevisiae for the endoplasmic reticulum-associated degradation of a multispanning membrane protein and a soluble luminal proteinQ27938024
Chaperone network in the yeast cytosol: Hsp110 is revealed as an Hsp70 nucleotide exchange factorQ27940000
Coordination of translational control and protein homeostasis during severe heat stressQ27940089
The heat shock protein Ssa2p is required for import of fructose-1, 6-bisphosphatase into Vid vesiclesQ27940343
Adapting proteostasis for disease interventionQ28131818
HspBP1, a homologue of the yeast Fes1 and Sls1 proteins, is an Hsc70 nucleotide exchange factorQ28213524
Structural basis for the inhibition of HSP70 and DnaK chaperones by small-molecule targeting of a C-terminal allosteric pocketQ28246523
Allostery in the Hsp70 chaperone proteinsQ28266387
The Hsp70 and Hsp60 chaperone machinesQ29547601
The use of differential scanning fluorimetry to detect ligand interactions that promote protein stabilityQ29547634
Protein quality control in neurodegenerative diseaseQ38000623
Hsp70 chaperone dynamics and molecular mechanismQ38135145
Hsp70 in cancer: back to the futureQ38263003
GrpE, Hsp110/Grp170, HspBP1/Sil1 and BAG domain proteins: nucleotide exchange factors for Hsp70 molecular chaperonesQ38285291
A bipartite signaling mechanism involved in DnaJ-mediated activation of the Escherichia coli DnaK proteinQ38357902
Identification of an allosteric pocket on human hsp70 reveals a mode of inhibition of this therapeutically important proteinQ38735132
Selective compounds define Hsp90 as a major inhibitor of apoptosis in small-cell lung cancerQ40113117
Interaction of heavy chain binding protein (BiP/GRP78) with adenine nucleotidesQ40817891
Mutations in the substrate binding domain of the Escherichia coli 70 kDa molecular chaperone, DnaK, which alter substrate affinity or interdomain couplingQ40972262
Structural basis of interdomain communication in the Hsc70 chaperone.Q41072966
Real-time observation of the conformational dynamics of mitochondrial Hsp70 by spFRET.Q41460745
Substrate discrimination of the chaperone BiP by autonomous and cochaperone-regulated conformational transitions.Q41791610
An interdomain energetic tug-of-war creates the allosterically active state in Hsp70 molecular chaperonesQ41959252
Hsp70 targets Hsp100 chaperones to substrates for protein disaggregation and prion fragmentationQ42264565
Cytoplasmic Hsp70 promotes ubiquitination for endoplasmic reticulum-associated degradation of a misfolded mutant of the yeast plasma membrane ATPase, PMA1.Q42515885
Sequence-specific rates of interaction of target peptides with the molecular chaperones DnaK and DnaJ.Q42687566
The Hsp70 chaperone Ssa1 is essential for catabolite induced degradation of the gluconeogenic enzyme fructose-1,6-bisphosphataseQ43049904
Destabilization of peptide binding and interdomain communication by an E543K mutation in the bovine 70-kDa heat shock cognate protein, a molecular chaperone.Q43997162
Allosteric regulation of Hsp70 chaperones by a proline switchQ46925402
Characterization of nucleotide-free uncoating ATPase and its binding to ATP, ADP, and ATP analoguesQ48164278
Disassembling protein aggregates in the yeast cytosol. The cooperation of Hsp26 with Ssa1 and Hsp104.Q50770803
Thermodynamic and structural analysis of the folding/unfolding transitions of the Escherichia coli molecular chaperone DnaK.Q52514099
The ATPase core of a clathrin uncoating proteinQ70161623
Nucleotide-induced conformational changes in the ATPase and substrate binding domains of the DnaK chaperone provide evidence for interdomain communicationQ71921283
Molecular chaperones in protein folding and proteostasisQ29547715
Thermofluor-based high-throughput stability optimization of proteins for structural studiesQ29614747
The HSP70 chaperone machinery: J proteins as drivers of functional specificityQ29616140
Molecular chaperones and protein quality controlQ29617795
Requirement for hsp70 in the mitochondrial matrix for translocation and folding of precursor proteinsQ29620285
Conformational properties of bacterial DnaK and yeast mitochondrial Hsp70. Role of the divergent C-terminal alpha-helical subdomain.Q30350874
A modified HSP70 inhibitor shows broad activity as an anticancer agentQ30537961
In vivo bipartite interaction between the Hsp40 Sis1 and Hsp70 in Saccharomyces cerevisiaeQ31145668
Interaction of the Hsp70 molecular chaperone, DnaK, with its cochaperone DnaJ.Q33574540
Binding of a small molecule at a protein-protein interface regulates the chaperone activity of hsp70-hsp40.Q33580742
Expression of a malarial Hsp70 improves defects in chaperone-dependent activities in ssa1 mutant yeastQ33916442
Heat shock protein 70 (hsp70) as an emerging drug target.Q33956906
Protein-misfolding diseases and chaperone-based therapeutic approachesQ34524526
Mutation of the ATP-binding pocket of SSA1 indicates that a functional interaction between Ssa1p and Ydj1p is required for post-translational translocation into the yeast endoplasmic reticulum.Q34610710
Degradation of unassembled Vph1p reveals novel aspects of the yeast ER quality control systemQ34663301
Identification of an allosteric small-molecule inhibitor selective for the inducible form of heat shock protein 70.Q34747269
A yeast homologue of Hsp70, Ssa1p, regulates turnover of the MFA2 transcript through its AU-rich 3' untranslated regionQ34889289
HSP70 inhibition by the small-molecule 2-phenylethynesulfonamide impairs protein clearance pathways in tumor cellsQ35118904
The HSP70 modulator MAL3-101 inhibits Merkel cell carcinoma.Q35138259
Single methyl group determines prion propagation and protein degradation activities of yeast heat shock protein (Hsp)-70 chaperones Ssa1p and Ssa2pQ35170861
Intragenic suppressors of Hsp70 mutants: interplay between the ATPase- and peptide-binding domainsQ35601345
Mechanism of substrate recognition by Hsp70 chaperones.Q35843735
Hsp70 chaperone ligands control domain association via an allosteric mechanism mediated by the interdomain linkerQ35847276
A dual role for mitochondrial heat shock protein 70 in membrane translocation of preproteinsQ36233355
Assembly of ER-associated protein degradation in vitro: dependence on cytosol, calnexin, and ATP.Q36236461
Hsp70 molecular chaperone facilitates endoplasmic reticulum-associated protein degradation of cystic fibrosis transmembrane conductance regulator in yeastQ36280501
Mechanism of regulation of hsp70 chaperones by DnaJ cochaperonesQ36351463
Hsp70 molecular chaperones: emerging roles in human disease and identification of small molecule modulatorsQ36536342
Design of a fluorescence polarization assay platform for the study of human Hsp70Q36881788
Ste6p mutants defective in exit from the endoplasmic reticulum (ER) reveal aspects of an ER quality control pathway in Saccharomyces cerevisiaeQ36912883
Multiple hsp70 isoforms in the eukaryotic cytosol: mere redundancy or functional specificity?Q37200825
Mutations in the C-terminal fragment of DnaK affecting peptide bindingQ37288233
The mammalian Hsp40 ERdj3 requires its Hsp70 interaction and substrate-binding properties to complement various yeast Hsp40-dependent functionsQ37432019
Induction of molecular chaperones as a therapeutic strategy for the polyglutamine diseasesQ37694692
Mechanisms of the Hsp70 chaperone systemQ37746993
P4510describes a project that usesImageJQ1659584
P433issue18
P407language of work or nameEnglishQ1860
P921main subjectmolecular chaperonesQ422496
P304page(s)2948-2965
P577publication date2015-04-23
P1433published inJournal of Molecular BiologyQ925779
P1476titleMutations in the Yeast Hsp70, Ssa1, at P417 Alter ATP Cycling, Interdomain Coupling, and Specific Chaperone Functions
P478volume427