登録情報 データベース : EMDB / ID : EMD-23056 構造の表示 ダウンロードとリンクタイトル Focused map of the Hsp90-Hsp70-Hop-GR complex: Hsp90B-NTD-MD:Hsp70D-NBD:Hop-TPR2A-TPR2B-DP2 マップデータFocused map of the Hsp90-Hsp70-Hop-GR complex: Hsp90B-NTD-MD:Hsp70D-NBD:Hop-TPR2A-TPR2B-DP2 詳細 試料複合体 : Hsp90-Hsp70-Hop-GR complex 詳細機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
: / denatured protein binding / cellular heat acclimation / negative regulation of inclusion body assembly / Viral RNP Complexes in the Host Cell Nucleus / death receptor agonist activity / C3HC4-type RING finger domain binding / positive regulation of nucleotide-binding oligomerization domain containing 2 signaling pathway / dynein axonemal particle / positive regulation of microtubule nucleation ... : / denatured protein binding / cellular heat acclimation / negative regulation of inclusion body assembly / Viral RNP Complexes in the Host Cell Nucleus / death receptor agonist activity / C3HC4-type RING finger domain binding / positive regulation of nucleotide-binding oligomerization domain containing 2 signaling pathway / dynein axonemal particle / positive regulation of microtubule nucleation / ATP-dependent protein disaggregase activity / misfolded protein binding / negative regulation of mitochondrial outer membrane permeabilization involved in apoptotic signaling pathway / positive regulation of tumor necrosis factor-mediated signaling pathway / regulation of mitotic spindle assembly / cellular response to interleukin-7 / protein folding chaperone complex / RND1 GTPase cycle / aggresome / lysosomal transport / sperm mitochondrial sheath / sulfonylurea receptor binding / dATP binding / CTP binding / positive regulation of protein polymerization / Scavenging by Class F Receptors / vRNP Assembly / UTP binding / cellular response to steroid hormone stimulus / sperm plasma membrane / chaperone-mediated autophagy / Rho GDP-dissociation inhibitor binding / Respiratory syncytial virus genome replication / telomerase holoenzyme complex assembly / mitochondrial transport / Uptake and function of diphtheria toxin / Drug-mediated inhibition of ERBB2 signaling / Resistance of ERBB2 KD mutants to trastuzumab / Resistance of ERBB2 KD mutants to sapitinib / Resistance of ERBB2 KD mutants to tesevatinib / Resistance of ERBB2 KD mutants to neratinib / Resistance of ERBB2 KD mutants to osimertinib / Resistance of ERBB2 KD mutants to afatinib / Resistance of ERBB2 KD mutants to AEE788 / Resistance of ERBB2 KD mutants to lapatinib / Drug resistance in ERBB2 TMD/JMD mutants / protein import into mitochondrial matrix / TPR domain binding / dendritic growth cone / mRNA catabolic process / Assembly and release of respiratory syncytial virus (RSV) virions / PIWI-interacting RNA (piRNA) biogenesis / non-chaperonin molecular chaperone ATPase / : / Sema3A PAK dependent Axon repulsion / protein unfolding / regulation of protein ubiquitination / positive regulation of cell size / HSF1-dependent transactivation / Regulation of HSF1-mediated heat shock response / cellular response to unfolded protein / response to unfolded protein / negative regulation of extrinsic apoptotic signaling pathway in absence of ligand / enzyme-substrate adaptor activity / Mitochondrial unfolded protein response (UPRmt) / HSF1 activation / skeletal muscle contraction / regulation of protein-containing complex assembly / telomere maintenance via telomerase / Attenuation phase / chaperone-mediated protein complex assembly / regulation of postsynaptic membrane neurotransmitter receptor levels / axonal growth cone / neurofibrillary tangle assembly / RHOBTB2 GTPase cycle / negative regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway / ATP metabolic process / transcription regulator inhibitor activity / positive regulation of lamellipodium assembly / nitric oxide metabolic process / eNOS activation / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / DNA polymerase binding / inclusion body / positive regulation of defense response to virus by host / response to salt stress / heat shock protein binding / Signaling by ERBB2 / positive regulation of telomere maintenance via telomerase / cardiac muscle cell apoptotic process / negative regulation of protein ubiquitination / endocytic vesicle lumen / centriole / protein folding chaperone / positive regulation of cardiac muscle contraction / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Recruitment of mitotic centrosome proteins and complexes / activation of innate immune response / lysosomal lumen 類似検索 - 分子機能 STI1/HOP, DP domain / STI1/HOP, DP domain / Tetratricopeptide repeat 2 / Tetratricopeptide repeat / Heat shock chaperonin-binding / Heat shock chaperonin-binding motif. / TPR repeat / Tetratricopeptide repeat / Heat shock hsp70 proteins family signature 2. / Heat shock hsp70 proteins family signature 1. ... STI1/HOP, DP domain / STI1/HOP, DP domain / Tetratricopeptide repeat 2 / Tetratricopeptide repeat / Heat shock chaperonin-binding / Heat shock chaperonin-binding motif. / TPR repeat / Tetratricopeptide repeat / Heat shock hsp70 proteins family signature 2. / Heat shock hsp70 proteins family signature 1. / Heat shock hsp70 proteins family signature 3. / Heat shock protein 70, conserved site / Heat shock protein 70kD, peptide-binding domain superfamily / Heat shock protein 70 family / Hsp70 protein / Heat shock protein 70kD, C-terminal domain superfamily / Tetratricopeptide repeat / Heat shock protein Hsp90, conserved site / Heat shock hsp90 proteins family signature. / HSP90, C-terminal domain / Heat shock protein Hsp90, N-terminal / Heat shock protein Hsp90 family / Hsp90 protein / Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase / TPR repeat region circular profile. / TPR repeat profile. / Tetratricopeptide repeats / Tetratricopeptide repeat / Histidine kinase-like ATPases / Histidine kinase/HSP90-like ATPase superfamily / ATPase, nucleotide binding domain / Tetratricopeptide-like helical domain superfamily / Ribosomal protein S5 domain 2-type fold 類似検索 - ドメイン・相同性 Heat shock protein HSP 90-alpha / Heat shock 70 kDa protein 1A / Stress-induced-phosphoprotein 1 類似検索 - 構成要素生物種 Homo sapiens (ヒト)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 3.85 Å 詳細 データ登録者Wang RY / Agard DA 資金援助 米国, 1件 詳細 詳細を隠すOrganization Grant number 国 Howard Hughes Medical Institute (HHMI) 米国
引用ジャーナル : Nature / 年 : 2022タイトル : Structure of Hsp90-Hsp70-Hop-GR reveals the Hsp90 client-loading mechanism.著者 : Ray Yu-Ruei Wang / Chari M Noddings / Elaine Kirschke / Alexander G Myasnikov / Jill L Johnson / David A Agard / 要旨 : Maintaining a healthy proteome is fundamental for the survival of all organisms. Integral to this are Hsp90 and Hsp70, molecular chaperones that together facilitate the folding, remodelling and ... Maintaining a healthy proteome is fundamental for the survival of all organisms. Integral to this are Hsp90 and Hsp70, molecular chaperones that together facilitate the folding, remodelling and maturation of the many 'client proteins' of Hsp90. The glucocorticoid receptor (GR) is a model client protein that is strictly dependent on Hsp90 and Hsp70 for activity. Chaperoning GR involves a cycle of inactivation by Hsp70; formation of an inactive GR-Hsp90-Hsp70-Hop 'loading' complex; conversion to an active GR-Hsp90-p23 'maturation' complex; and subsequent GR release. However, to our knowledge, a molecular understanding of this intricate chaperone cycle is lacking for any client protein. Here we report the cryo-electron microscopy structure of the GR-loading complex, in which Hsp70 loads GR onto Hsp90, uncovering the molecular basis of direct coordination by Hsp90 and Hsp70. The structure reveals two Hsp70 proteins, one of which delivers GR and the other scaffolds the Hop cochaperone. Hop interacts with all components of the complex, including GR, and poises Hsp90 for subsequent ATP hydrolysis. GR is partially unfolded and recognized through an extended binding pocket composed of Hsp90, Hsp70 and Hop, revealing the mechanism of GR loading and inactivation. Together with the GR-maturation complex structure, we present a complete molecular mechanism of chaperone-dependent client remodelling, and establish general principles of client recognition, inhibition, transfer and activation. 履歴 登録 2020年12月1日 - ヘッダ(付随情報) 公開 2021年12月8日 - マップ公開 2021年12月8日 - 更新 2022年2月2日 - 現状 2022年2月2日 処理サイト : RCSB / 状態 : 公開
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